90913328 has 80 divisors (see below), whose sum is σ = 209034240. Its totient is φ = 37843200.

The previous prime is 90913321. The next prime is 90913343. The reversal of 90913328 is 82331909.

It is not an unprimeable number, because it can be changed into a prime (90913321) 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 15 ways as a sum of consecutive naturals, for example, 103226 + ... + 104102.

It is an arithmetic number, because the mean of its divisors is an integer number (2612928).

Almost surely, 2^90913328 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 90913328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104517120).

90913328 is an abundant number, since it is smaller than the sum of its proper divisors (118120912).

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

90913328 is a wasteful number, since it uses less digits than its factorization.

90913328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 90913328 is about 9534.8480847888. The cubic root of 90913328 is about 449.6512985881.

The spelling of 90913328 in words is "ninety million, nine hundred thirteen thousand, three hundred twenty-eight".