90459432 has 48 divisors (see below), whose sum is σ = 279995040. Its totient is φ = 25845408.

The previous prime is 90459409. The next prime is 90459461. The reversal of 90459432 is 23495409.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89238 + ... + 90245.

It is an arithmetic number, because the mean of its divisors is an integer number (5833230).

Almost surely, 2^90459432 is an apocalyptic number.

It is an amenable number.

90459432 is an abundant number, since it is smaller than the sum of its proper divisors (189535608).

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

90459432 is a wasteful number, since it uses less digits than its factorization.

90459432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179502 (or 179495 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 90459432 is about 9511.0163494760. The cubic root of 90459432 is about 448.9017365898.

The spelling of 90459432 in words is "ninety million, four hundred fifty-nine thousand, four hundred thirty-two".