90798312 has 32 divisors (see below), whose sum is σ = 247632480. Its totient is φ = 27514560.

The previous prime is 90798299. The next prime is 90798329. The reversal of 90798312 is 21389709.

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, 171703 + ... + 172230.

It is an arithmetic number, because the mean of its divisors is an integer number (7738515).

Almost surely, 2^90798312 is an apocalyptic number.

It is an amenable number.

90798312 is an abundant number, since it is smaller than the sum of its proper divisors (156834168).

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

90798312 is a wasteful number, since it uses less digits than its factorization.

90798312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343953 (or 343949 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 90798312 is about 9528.8148266193. The cubic root of 90798312 is about 449.4615980619.

It can be divided in two parts, 9079 and 8312, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 90798312 in words is "ninety million, seven hundred ninety-eight thousand, three hundred twelve".