89155404 has 120 divisors (see below), whose sum is σ = 255848208. Its totient is φ = 26904960.

The previous prime is 89155403. The next prime is 89155439. The reversal of 89155404 is 40455198.

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

It is not an unprimeable number, because it can be changed into a prime (89155403) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 256759 + ... + 257105.

Almost surely, 2^89155404 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 89155404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127924104).

89155404 is an abundant number, since it is smaller than the sum of its proper divisors (166692804).

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

89155404 is a wasteful number, since it uses less digits than its factorization.

89155404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 89155404 is about 9442.2139353014. The cubic root of 89155404 is about 446.7342233404.

The spelling of 89155404 in words is "eighty-nine million, one hundred fifty-five thousand, four hundred four".