89420664 has 32 divisors (see below), whose sum is σ = 224698320. Its totient is φ = 29654016.

The previous prime is 89420641. The next prime is 89420671. The reversal of 89420664 is 46602498.

It is a congruent number.

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, 4729 + ... + 14184.

Almost surely, 2^89420664 is an apocalyptic number.

It is an amenable number.

89420664 is an abundant number, since it is smaller than the sum of its proper divisors (135277656).

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

89420664 is a wasteful number, since it uses less digits than its factorization.

89420664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19119 (or 19115 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 89420664 is about 9456.2499966953. The cubic root of 89420664 is about 447.1768339782.

The spelling of 89420664 in words is "eighty-nine million, four hundred twenty thousand, six hundred sixty-four".