89369920 has 56 divisors (see below), whose sum is σ = 224028000. Its totient is φ = 33864192.

The previous prime is 89369887. The next prime is 89369923. The reversal of 89369920 is 2996398.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89369923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 13429.

It is an arithmetic number, because the mean of its divisors is an integer number (4000500).

Almost surely, 2^89369920 is an apocalyptic number.

89369920 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 89369920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112014000).

89369920 is an abundant number, since it is smaller than the sum of its proper divisors (134658080).

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

89369920 is a wasteful number, since it uses less digits than its factorization.

89369920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14735 (or 14725 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 89369920 is about 9453.5665227469. The cubic root of 89369920 is about 447.0922307337.

The spelling of 89369920 in words is "eighty-nine million, three hundred sixty-nine thousand, nine hundred twenty".