89090604 has 72 divisors (see below), whose sum is σ = 235475968. Its totient is φ = 29451600.

The previous prime is 89090597. The next prime is 89090629. The reversal of 89090604 is 40609098.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146469 + ... + 147075.

Almost surely, 2^89090604 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 89090604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117737984).

89090604 is an abundant number, since it is smaller than the sum of its proper divisors (146385364).

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

89090604 is a wasteful number, since it uses less digits than its factorization.

89090604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 89090604 is about 9438.7819129377. The cubic root of 89090604 is about 446.6259652029.

The spelling of 89090604 in words is "eighty-nine million, ninety thousand, six hundred four".