97989832 has 8 divisors (see below), whose sum is σ = 183730950. Its totient is φ = 48994912.

The previous prime is 97989809. The next prime is 97989839. The reversal of 97989832 is 23898979.

It can be written as a sum of positive squares in only one way, i.e., 97891236 + 98596 = 9894^2 + 314^2 .

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

It is not an unprimeable number, because it can be changed into a prime (97989839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6124357 + ... + 6124372.

Almost surely, 2^97989832 is an apocalyptic number.

It is an amenable number.

97989832 is a deficient number, since it is larger than the sum of its proper divisors (85741118).

97989832 is a wasteful number, since it uses less digits than its factorization.

97989832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12248735 (or 12248731 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 55.

The square root of 97989832 is about 9898.9813617362. The cubic root of 97989832 is about 461.0276834447.

The spelling of 97989832 in words is "ninety-seven million, nine hundred eighty-nine thousand, eight hundred thirty-two".