97631536 has 20 divisors (see below), whose sum is σ = 189323200. Its totient is φ = 48773952.

The previous prime is 97631531. The next prime is 97631551. The reversal of 97631536 is 63513679.

It is not an unprimeable number, because it can be changed into a prime (97631531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26410 + ... + 29878.

It is an arithmetic number, because the mean of its divisors is an integer number (9466160).

Almost surely, 2^97631536 is an apocalyptic number.

It is an amenable number.

97631536 is a deficient number, since it is larger than the sum of its proper divisors (91691664).

97631536 is a wasteful number, since it uses less digits than its factorization.

97631536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236 (or 5230 counting only the distinct ones).

The product of its digits is 102060, while the sum is 40.

The square root of 97631536 is about 9880.8671684220. The cubic root of 97631536 is about 460.4650872667.

The spelling of 97631536 in words is "ninety-seven million, six hundred thirty-one thousand, five hundred thirty-six".