90323712 has 108 divisors (see below), whose sum is σ = 263062800. Its totient is φ = 29804544.

The previous prime is 90323699. The next prime is 90323731. The reversal of 90323712 is 21732309.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453789 + ... + 453987.

Almost surely, 2^90323712 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 90323712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131531400).

90323712 is an abundant number, since it is smaller than the sum of its proper divisors (172739088).

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

90323712 is a wasteful number, since it uses less digits than its factorization.

90323712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 90323712 is about 9503.8787871058. The cubic root of 90323712 is about 448.6771223174.

The spelling of 90323712 in words is "ninety million, three hundred twenty-three thousand, seven hundred twelve".