89964432 has 90 divisors (see below), whose sum is σ = 261750918. Its totient is φ = 29953152.

The previous prime is 89964401. The next prime is 89964443. The reversal of 89964432 is 23446998.

It can be written as a sum of positive squares in only one way, i.e., 88284816 + 1679616 = 9396^2 + 1296^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 104548 + ... + 105404.

Almost surely, 2^89964432 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 89964432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130875459).

89964432 is an abundant number, since it is smaller than the sum of its proper divisors (171786486).

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

89964432 is an frugal number, since it uses more digits than its factorization.

89964432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 862 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 89964432 is about 9484.9581970613. The cubic root of 89964432 is about 448.0814318386.

The spelling of 89964432 in words is "eighty-nine million, nine hundred sixty-four thousand, four hundred thirty-two".