97928956 has 6 divisors (see below), whose sum is σ = 171375680. Its totient is φ = 48964476.

The previous prime is 97928939. The next prime is 97928977. The reversal of 97928956 is 65982979.

It is a junction number, because it is equal to n+sod(n) for n = 97928897 and 97928906.

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, 12241116 + ... + 12241123.

Almost surely, 2^97928956 is an apocalyptic number.

It is an amenable number.

97928956 is a deficient number, since it is larger than the sum of its proper divisors (73446724).

97928956 is a wasteful number, since it uses less digits than its factorization.

97928956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24482243 (or 24482241 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The square root of 97928956 is about 9895.9060221892. The cubic root of 97928956 is about 460.9321928053.

The spelling of 97928956 in words is "ninety-seven million, nine hundred twenty-eight thousand, nine hundred fifty-six".