89009538 has 16 divisors (see below), whose sum is σ = 179050176. Its totient is φ = 29498000.

The previous prime is 89009533. The next prime is 89009539. The reversal of 89009538 is 83590098.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 89009538.

It is not an unprimeable number, because it can be changed into a prime (89009533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41838 + ... + 43913.

It is an arithmetic number, because the mean of its divisors is an integer number (11190636).

Almost surely, 2^89009538 is an apocalyptic number.

89009538 is an abundant number, since it is smaller than the sum of its proper divisors (90040638).

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

89009538 is a wasteful number, since it uses less digits than its factorization.

89009538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85929.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 89009538 is about 9434.4866315025. The cubic root of 89009538 is about 446.4904583291.

The spelling of 89009538 in words is "eighty-nine million, nine thousand, five hundred thirty-eight".