89172192 has 48 divisors (see below), whose sum is σ = 234807552. Its totient is φ = 29631360.

The previous prime is 89172163. The next prime is 89172217. The reversal of 89172192 is 29127198.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 89172192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33967 + ... + 36497.

It is an arithmetic number, because the mean of its divisors is an integer number (4891824).

Almost surely, 2^89172192 is an apocalyptic number.

It is an amenable number.

89172192 is an abundant number, since it is smaller than the sum of its proper divisors (145635360).

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

89172192 is a wasteful number, since it uses less digits than its factorization.

89172192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911 (or 2903 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 89172192 is about 9443.1028798801. The cubic root of 89172192 is about 446.7622616612.

The spelling of 89172192 in words is "eighty-nine million, one hundred seventy-two thousand, one hundred ninety-two".