97938872 has 8 divisors (see below), whose sum is σ = 183635400. Its totient is φ = 48969432.

The previous prime is 97938851. The next prime is 97938881. The reversal of 97938872 is 27883979.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121172 + ... + 6121187.

It is an arithmetic number, because the mean of its divisors is an integer number (22954425).

Almost surely, 2^97938872 is an apocalyptic number.

It is an amenable number.

97938872 is a deficient number, since it is larger than the sum of its proper divisors (85696528).

97938872 is a wasteful number, since it uses less digits than its factorization.

97938872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12242365 (or 12242361 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 53.

The square root of 97938872 is about 9896.4070247742. The cubic root of 97938872 is about 460.9477498293.

The spelling of 97938872 in words is "ninety-seven million, nine hundred thirty-eight thousand, eight hundred seventy-two".