89140172 has 24 divisors (see below), whose sum is σ = 179135040. Its totient is φ = 38385360.

The previous prime is 89140169. The next prime is 89140199. The reversal of 89140172 is 27104198.

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, 52478 + ... + 54149.

It is an arithmetic number, because the mean of its divisors is an integer number (7463960).

Almost surely, 2^89140172 is an apocalyptic number.

It is an amenable number.

89140172 is an abundant number, since it is smaller than the sum of its proper divisors (89994868).

89140172 is a wasteful number, since it uses less digits than its factorization.

89140172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106661 (or 106659 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 89140172 is about 9441.4073103537. The cubic root of 89140172 is about 446.7087807127.

The spelling of 89140172 in words is "eighty-nine million, one hundred forty thousand, one hundred seventy-two".