89373280 has 24 divisors (see below), whose sum is σ = 211144752. Its totient is φ = 35749248.

The previous prime is 89373269. The next prime is 89373287. The reversal of 89373280 is 8237398.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89373287) 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, 279132 + ... + 279451.

It is an arithmetic number, because the mean of its divisors is an integer number (8797698).

Almost surely, 2^89373280 is an apocalyptic number.

89373280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89373280 is an abundant number, since it is smaller than the sum of its proper divisors (121771472).

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

89373280 is a wasteful number, since it uses less digits than its factorization.

89373280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558598 (or 558590 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 89373280 is about 9453.7442317846. The cubic root of 89373280 is about 447.0978337041.

The spelling of 89373280 in words is "eighty-nine million, three hundred seventy-three thousand, two hundred eighty".