90872334 has 64 divisors (see below), whose sum is σ = 231828480. Its totient is φ = 25846560.

The previous prime is 90872329. The next prime is 90872347. The reversal of 90872334 is 43327809.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 117172 + ... + 117944.

It is an arithmetic number, because the mean of its divisors is an integer number (3622320).

Almost surely, 2^90872334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90872334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115914240).

90872334 is an abundant number, since it is smaller than the sum of its proper divisors (140956146).

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

90872334 is a wasteful number, since it uses less digits than its factorization.

90872334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 90872334 is about 9532.6981490027. The cubic root of 90872334 is about 449.5837038911.

The spelling of 90872334 in words is "ninety million, eight hundred seventy-two thousand, three hundred thirty-four".