89943630 has 32 divisors (see below), whose sum is σ = 246703104. Its totient is φ = 20558496.

The previous prime is 89943613. The next prime is 89943653. The reversal of 89943630 is 3634998.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213942 + ... + 214361.

It is an arithmetic number, because the mean of its divisors is an integer number (7709472).

Almost surely, 2^89943630 is an apocalyptic number.

89943630 is an abundant number, since it is smaller than the sum of its proper divisors (156759474).

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

89943630 is a wasteful number, since it uses less digits than its factorization.

89943630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428320.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 89943630 is about 9483.8615552949. The cubic root of 89943630 is about 448.0468933429.

The spelling of 89943630 in words is "eighty-nine million, nine hundred forty-three thousand, six hundred thirty".