89481188 has 12 divisors (see below), whose sum is σ = 160411692. Its totient is φ = 43649280.

The previous prime is 89481173. The next prime is 89481209. The reversal of 89481188 is 88118498.

It can be written as a sum of positive squares in 2 ways, for example, as 10484644 + 78996544 = 3238^2 + 8888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272645 + ... + 272972.

It is an arithmetic number, because the mean of its divisors is an integer number (13367641).

Almost surely, 2^89481188 is an apocalyptic number.

It is an amenable number.

89481188 is a deficient number, since it is larger than the sum of its proper divisors (70930504).

89481188 is a wasteful number, since it uses less digits than its factorization.

89481188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545662 (or 545660 counting only the distinct ones).

The product of its digits is 147456, while the sum is 47.

The square root of 89481188 is about 9459.4496668675. The cubic root of 89481188 is about 447.2777011437.

The spelling of 89481188 in words is "eighty-nine million, four hundred eighty-one thousand, one hundred eighty-eight".