89697984 has 56 divisors (see below), whose sum is σ = 251295408. Its totient is φ = 28139520.

The previous prime is 89697961. The next prime is 89697997. The reversal of 89697984 is 48979698.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10477 + ... + 17004.

It is an arithmetic number, because the mean of its divisors is an integer number (4487418).

Almost surely, 2^89697984 is an apocalyptic number.

It is an amenable number.

89697984 is an abundant number, since it is smaller than the sum of its proper divisors (161597424).

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

89697984 is a wasteful number, since it uses less digits than its factorization.

89697984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27513 (or 27503 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The square root of 89697984 is about 9470.9019633824. The cubic root of 89697984 is about 447.6386329111.

The spelling of 89697984 in words is "eighty-nine million, six hundred ninety-seven thousand, nine hundred eighty-four".