90413832 has 32 divisors (see below), whose sum is σ = 226317600. Its totient is φ = 30100224.

The previous prime is 90413777. The next prime is 90413833. The reversal of 90413832 is 23831409.

It is a super-2 number, since 2×90413832² = 16349322033848448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90413832.

It is not an unprimeable number, because it can be changed into a prime (90413833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22608 + ... + 26304.

It is an arithmetic number, because the mean of its divisors is an integer number (7072425).

Almost surely, 2^90413832 is an apocalyptic number.

It is an amenable number.

90413832 is an abundant number, since it is smaller than the sum of its proper divisors (135903768).

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

90413832 is a wasteful number, since it uses less digits than its factorization.

90413832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725 (or 4721 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 90413832 is about 9508.6188271483. The cubic root of 90413832 is about 448.8262944486.

The spelling of 90413832 in words is "ninety million, four hundred thirteen thousand, eight hundred thirty-two".