89081420 has 12 divisors (see below), whose sum is σ = 187071024. Its totient is φ = 35632560.

The previous prime is 89081413. The next prime is 89081429. The reversal of 89081420 is 2418098.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (89081429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227016 + ... + 2227055.

It is an arithmetic number, because the mean of its divisors is an integer number (15589252).

Almost surely, 2^89081420 is an apocalyptic number.

It is an amenable number.

89081420 is an abundant number, since it is smaller than the sum of its proper divisors (97989604).

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

89081420 is a wasteful number, since it uses less digits than its factorization.

89081420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454080 (or 4454078 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 89081420 is about 9438.2953969454. The cubic root of 89081420 is about 446.6106177041.

The spelling of 89081420 in words is "eighty-nine million, eighty-one thousand, four hundred twenty".