89656964 has 6 divisors (see below), whose sum is σ = 156899694. Its totient is φ = 44828480.

The previous prime is 89656961. The next prime is 89657017. The reversal of 89656964 is 46965698.

It can be written as a sum of positive squares in only one way, i.e., 50694400 + 38962564 = 7120^2 + 6242^2 .

It is not an unprimeable number, because it can be changed into a prime (89656961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11207117 + ... + 11207124.

It is an arithmetic number, because the mean of its divisors is an integer number (26149949).

Almost surely, 2^89656964 is an apocalyptic number.

It is an amenable number.

89656964 is a deficient number, since it is larger than the sum of its proper divisors (67242730).

89656964 is a wasteful number, since it uses less digits than its factorization.

89656964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22414245 (or 22414243 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The square root of 89656964 is about 9468.7361353034. The cubic root of 89656964 is about 447.5703856080.

The spelling of 89656964 in words is "eighty-nine million, six hundred fifty-six thousand, nine hundred sixty-four".