90838528 has 60 divisors (see below), whose sum is σ = 199570932. Its totient is φ = 40965120.

The previous prime is 90838519. The next prime is 90838541. The reversal of 90838528 is 82583809.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 715201 + ... + 715327.

Almost surely, 2^90838528 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 90838528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99785466).

90838528 is an abundant number, since it is smaller than the sum of its proper divisors (108732404).

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

90838528 is an equidigital number, since it uses as much as digits as its factorization.

90838528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 90838528 is about 9530.9248239612. The cubic root of 90838528 is about 449.5279461369.

The spelling of 90838528 in words is "ninety million, eight hundred thirty-eight thousand, five hundred twenty-eight".