97999904 has 12 divisors (see below), whose sum is σ = 192937374. Its totient is φ = 48999936.

The previous prime is 97999879. The next prime is 97999919. The reversal of 97999904 is 40999979.

It can be written as a sum of positive squares in only one way, i.e., 96432400 + 1567504 = 9820^2 + 1252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97999904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1531217 + ... + 1531280.

Almost surely, 2^97999904 is an apocalyptic number.

It is an amenable number.

97999904 is a deficient number, since it is larger than the sum of its proper divisors (94937470).

97999904 is a wasteful number, since it uses less digits than its factorization.

97999904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062507 (or 3062499 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 56.

The square root of 97999904 is about 9899.4900878783. The cubic root of 97999904 is about 461.0434786609.

It can be divided in two parts, 97 and 999904, that added together give a palindrome (1000001).

The spelling of 97999904 in words is "ninety-seven million, nine hundred ninety-nine thousand, nine hundred four".