89636172 has 48 divisors (see below), whose sum is σ = 223987680. Its totient is φ = 27799552.

The previous prime is 89636143. The next prime is 89636179. The reversal of 89636172 is 27163698.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89636179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15688 + ... + 20624.

It is an arithmetic number, because the mean of its divisors is an integer number (4666410).

Almost surely, 2^89636172 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 89636172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111993840).

89636172 is an abundant number, since it is smaller than the sum of its proper divisors (134351508).

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

89636172 is a wasteful number, since it uses less digits than its factorization.

89636172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050 (or 5048 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 89636172 is about 9467.6381426415. The cubic root of 89636172 is about 447.5357848270.

The spelling of 89636172 in words is "eighty-nine million, six hundred thirty-six thousand, one hundred seventy-two".