<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY MUTUAL FUNDS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000100334
<NAME> AMERICAN CENTURY MUTUAL FUNDS, INC.
<SERIES>
<NUMBER> 19
<NAME> TAX MANAGED VALUE FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 39,107,521
<INVESTMENTS-AT-VALUE> 39,965,403
<RECEIVABLES> 367,910
<ASSETS-OTHER> 96,134
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 40,429,447
<PAYABLE-FOR-SECURITIES> 307,886
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 36,818
<TOTAL-LIABILITIES> 344,704
<SENIOR-EQUITY> 79
<PAID-IN-CAPITAL-COMMON> 40,475,423
<SHARES-COMMON-STOCK> 7,875,369
<SHARES-COMMON-PRIOR> 8,903,049
<ACCUMULATED-NII-CURRENT> 157,869
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1,406,510)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 857,882
<NET-ASSETS> 40,084,743
<DIVIDEND-INCOME> 503,684
<INTEREST-INCOME> 35,396
<OTHER-INCOME> 0
<EXPENSES-NET> 233,805
<NET-INVESTMENT-INCOME> 305,275
<REALIZED-GAINS-CURRENT> (1,233,599)
<APPREC-INCREASE-CURRENT> 349,942
<NET-CHANGE-FROM-OPS> (578,382)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 433,438
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 763,645
<NUMBER-OF-SHARES-REDEEMED> (1,877,012)
<SHARES-REINVESTED> 85,687
<NET-CHANGE-IN-ASSETS> (6,047,425)
<ACCUMULATED-NII-PRIOR> 286,032
<ACCUMULATED-GAINS-PRIOR> (172,911)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 233,716
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 233,805
<AVERAGE-NET-ASSETS> 41,922,673
<PER-SHARE-NAV-BEGIN> 5.18
<PER-SHARE-NII> 0.04
<PER-SHARE-GAIN-APPREC> (0.08)
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.05
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 5.09
<EXPENSE-RATIO> 1.10
</TABLE>
