89865432 has 96 divisors (see below), whose sum is σ = 254217600. Its totient is φ = 28643328.

The previous prime is 89865427. The next prime is 89865449. The reversal of 89865432 is 23456898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402873 + ... + 403095.

It is an arithmetic number, because the mean of its divisors is an integer number (2648100).

Almost surely, 2^89865432 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 89865432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127108800).

89865432 is an abundant number, since it is smaller than the sum of its proper divisors (164352168).

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

89865432 is a wasteful number, since it uses less digits than its factorization.

89865432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 450 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 89865432 is about 9479.7379710623. The cubic root of 89865432 is about 447.9170100313.

The spelling of 89865432 in words is "eighty-nine million, eight hundred sixty-five thousand, four hundred thirty-two".