90332312 has 32 divisors (see below), whose sum is σ = 193881600. Its totient is φ = 38651424.

The previous prime is 90332287. The next prime is 90332321. The reversal of 90332312 is 21323309.

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, 56273 + ... + 57855.

It is an arithmetic number, because the mean of its divisors is an integer number (6058800).

Almost surely, 2^90332312 is an apocalyptic number.

It is an amenable number.

90332312 is an abundant number, since it is smaller than the sum of its proper divisors (103549288).

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

90332312 is a wasteful number, since it uses less digits than its factorization.

90332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 90332312 is about 9504.3312231845. The cubic root of 90332312 is about 448.6913618443.

The spelling of 90332312 in words is "ninety million, three hundred thirty-two thousand, three hundred twelve".