89190964 has 12 divisors (see below), whose sum is σ = 162870624. Its totient is φ = 42656504.

The previous prime is 89190961. The next prime is 89190971. The reversal of 89190964 is 46909198.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89190961) 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, 484642 + ... + 484825.

It is an arithmetic number, because the mean of its divisors is an integer number (13572552).

Almost surely, 2^89190964 is an apocalyptic number.

It is an amenable number.

89190964 is a deficient number, since it is larger than the sum of its proper divisors (73679660).

89190964 is a wasteful number, since it uses less digits than its factorization.

89190964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969494 (or 969492 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 89190964 is about 9444.0967805291. The cubic root of 89190964 is about 446.7936093738.

The spelling of 89190964 in words is "eighty-nine million, one hundred ninety thousand, nine hundred sixty-four".