89731044 has 96 divisors (see below), whose sum is σ = 254016000. Its totient is φ = 27226368.

The previous prime is 89731039. The next prime is 89731063. The reversal of 89731044 is 44013798.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110512 + ... + 111320.

It is an arithmetic number, because the mean of its divisors is an integer number (2646000).

Almost surely, 2^89731044 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 89731044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127008000).

89731044 is an abundant number, since it is smaller than the sum of its proper divisors (164284956).

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

89731044 is a wasteful number, since it uses less digits than its factorization.

89731044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 89731044 is about 9472.6471485008. The cubic root of 89731044 is about 447.6936215696.

The spelling of 89731044 in words is "eighty-nine million, seven hundred thirty-one thousand, forty-four".