90917352 has 24 divisors (see below), whose sum is σ = 246234690. Its totient is φ = 30305760.

The previous prime is 90917347. The next prime is 90917353. The reversal of 90917352 is 25371909.

It can be written as a sum of positive squares in only one way, i.e., 89984196 + 933156 = 9486^2 + 966^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (90917353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631299 + ... + 631442.

Almost surely, 2^90917352 is an apocalyptic number.

It is an amenable number.

90917352 is an abundant number, since it is smaller than the sum of its proper divisors (155317338).

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

90917352 is a wasteful number, since it uses less digits than its factorization.

90917352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262753 (or 1262746 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 90917352 is about 9535.0590978766. The cubic root of 90917352 is about 449.6579326361.

The spelling of 90917352 in words is "ninety million, nine hundred seventeen thousand, three hundred fifty-two".