89598564 has 108 divisors (see below), whose sum is σ = 253485232. Its totient is φ = 26658720.

The previous prime is 89598563. The next prime is 89598589. The reversal of 89598564 is 46589598.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 89598564.

It is not an unprimeable number, because it can be changed into a prime (89598563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 291699 + ... + 292005.

Almost surely, 2^89598564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89598564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126742616).

89598564 is an abundant number, since it is smaller than the sum of its proper divisors (163886668).

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

89598564 is a wasteful number, since it uses less digits than its factorization.

89598564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 390 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 89598564 is about 9465.6518000611. The cubic root of 89598564 is about 447.4731862881.

The spelling of 89598564 in words is "eighty-nine million, five hundred ninety-eight thousand, five hundred sixty-four".