89591004 has 36 divisors (see below), whose sum is σ = 238387240. Its totient is φ = 28291680.

The previous prime is 89590981. The next prime is 89591039. The reversal of 89591004 is 40019598.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 89591004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64807 + ... + 66174.

Almost surely, 2^89591004 is an apocalyptic number.

It is an amenable number.

89591004 is an abundant number, since it is smaller than the sum of its proper divisors (148796236).

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

89591004 is a wasteful number, since it uses less digits than its factorization.

89591004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131010 (or 131005 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 89591004 is about 9465.2524530516. The cubic root of 89591004 is about 447.4606005490.

The spelling of 89591004 in words is "eighty-nine million, five hundred ninety-one thousand, four".