90837328 has 40 divisors (see below), whose sum is σ = 189596000. Its totient is φ = 42021504.

The previous prime is 90837319. The next prime is 90837337. The reversal of 90837328 is 82373809.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90837319) and next prime (90837337).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9598 + ... + 16546.

It is an arithmetic number, because the mean of its divisors is an integer number (4739900).

Almost surely, 2^90837328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90837328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94798000).

90837328 is an abundant number, since it is smaller than the sum of its proper divisors (98758672).

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

90837328 is a wasteful number, since it uses less digits than its factorization.

90837328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019 (or 7013 counting only the distinct ones).

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

The square root of 90837328 is about 9530.8618707859. The cubic root of 90837328 is about 449.5259666687.

The spelling of 90837328 in words is "ninety million, eight hundred thirty-seven thousand, three hundred twenty-eight".