89656172 has 12 divisors (see below), whose sum is σ = 157107720. Its totient is φ = 44768256.

The previous prime is 89656169. The next prime is 89656183. The reversal of 89656172 is 27165698.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11498 + ... + 17649.

It is an arithmetic number, because the mean of its divisors is an integer number (13092310).

Almost surely, 2^89656172 is an apocalyptic number.

It is an amenable number.

89656172 is a deficient number, since it is larger than the sum of its proper divisors (67451548).

89656172 is a wasteful number, since it uses less digits than its factorization.

89656172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29920 (or 29918 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 89656172 is about 9468.6943133676. The cubic root of 89656172 is about 447.5690677078.

The spelling of 89656172 in words is "eighty-nine million, six hundred fifty-six thousand, one hundred seventy-two".