97638724 has 12 divisors (see below), whose sum is σ = 174841744. Its totient is φ = 47683944.

The previous prime is 97638719. The next prime is 97638727. The reversal of 97638724 is 42783679.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (97638727) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 283662 + ... + 284005.

Almost surely, 2^97638724 is an apocalyptic number.

It is an amenable number.

97638724 is a deficient number, since it is larger than the sum of its proper divisors (77203020).

97638724 is a wasteful number, since it uses less digits than its factorization.

97638724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567714 (or 567712 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 97638724 is about 9881.2308949847. The cubic root of 97638724 is about 460.4763873785.

The spelling of 97638724 in words is "ninety-seven million, six hundred thirty-eight thousand, seven hundred twenty-four".