97920232 has 16 divisors (see below), whose sum is σ = 186341760. Its totient is φ = 48229104.

The previous prime is 97920209. The next prime is 97920233. The reversal of 97920232 is 23202979.

It is not an unprimeable number, because it can be changed into a prime (97920233) 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, 90808 + ... + 91879.

It is an arithmetic number, because the mean of its divisors is an integer number (11646360).

Almost surely, 2^97920232 is an apocalyptic number.

It is an amenable number.

97920232 is a deficient number, since it is larger than the sum of its proper divisors (88421528).

97920232 is a wasteful number, since it uses less digits than its factorization.

97920232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182760 (or 182756 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 97920232 is about 9895.4652240307. The cubic root of 97920232 is about 460.9185050190.

The spelling of 97920232 in words is "ninety-seven million, nine hundred twenty thousand, two hundred thirty-two".