89220432 has 80 divisors (see below), whose sum is σ = 265554432. Its totient is φ = 25284480.

The previous prime is 89220389. The next prime is 89220457. The reversal of 89220432 is 23402298.

It is a self number, because there is not a number n which added to its sum of digits gives 89220432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43003 + ... + 45029.

Almost surely, 2^89220432 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 89220432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132777216).

89220432 is an abundant number, since it is smaller than the sum of its proper divisors (176334000).

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

89220432 is a wasteful number, since it uses less digits than its factorization.

89220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 89220432 is about 9445.6567797057. The cubic root of 89220432 is about 446.8428096655.

The spelling of 89220432 in words is "eighty-nine million, two hundred twenty thousand, four hundred thirty-two".