89391120 has 160 divisors (see below), whose sum is σ = 341144832. Its totient is φ = 18855936.

The previous prime is 89391119. The next prime is 89391139. The reversal of 89391120 is 2119398.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19794 + ... + 23886.

Almost surely, 2^89391120 is an apocalyptic number.

89391120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89391120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170572416).

89391120 is an abundant number, since it is smaller than the sum of its proper divisors (251753712).

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

89391120 is a wasteful number, since it uses less digits than its factorization.

89391120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129 (or 4123 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 89391120 is about 9454.6877262023. The cubic root of 89391120 is about 447.1275804573.

The spelling of 89391120 in words is "eighty-nine million, three hundred ninety-one thousand, one hundred twenty".