89315220 has 48 divisors (see below), whose sum is σ = 256189248. Its totient is φ = 23235840.

The previous prime is 89315207. The next prime is 89315243. The reversal of 89315220 is 2251398.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 15694 + ... + 20613.

It is an arithmetic number, because the mean of its divisors is an integer number (5337276).

Almost surely, 2^89315220 is an apocalyptic number.

It is an amenable number.

89315220 is an abundant number, since it is smaller than the sum of its proper divisors (166874028).

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

89315220 is a wasteful number, since it uses less digits than its factorization.

89315220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36360 (or 36358 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 89315220 is about 9450.6729919091. The cubic root of 89315220 is about 447.0009959489. Note that the first 3 decimals are identical.

The spelling of 89315220 in words is "eighty-nine million, three hundred fifteen thousand, two hundred twenty".