97979328 has 56 divisors (see below), whose sum is σ = 288046160. Its totient is φ = 32659200.

The previous prime is 97979309. The next prime is 97979339. The reversal of 97979328 is 82397979.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 26623 + ... + 30078.

Almost surely, 2^97979328 is an apocalyptic number.

It is an amenable number.

97979328 is an abundant number, since it is smaller than the sum of its proper divisors (190066832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97979328 is a wasteful number, since it uses less digits than its factorization.

97979328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56722 (or 56706 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 97979328 is about 9898.4507878758. The cubic root of 97979328 is about 461.0112096000.

The spelling of 97979328 in words is "ninety-seven million, nine hundred seventy-nine thousand, three hundred twenty-eight".