90132804 has 48 divisors (see below), whose sum is σ = 236019840. Its totient is φ = 29743200.

The previous prime is 90132799. The next prime is 90132821. The reversal of 90132804 is 40823109.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6777 + ... + 15039.

It is an arithmetic number, because the mean of its divisors is an integer number (4917080).

Almost surely, 2^90132804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90132804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118009920).

90132804 is an abundant number, since it is smaller than the sum of its proper divisors (145887036).

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

90132804 is a wasteful number, since it uses less digits than its factorization.

90132804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377 (or 8369 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 90132804 is about 9493.8297857082. The cubic root of 90132804 is about 448.3607916861.

The spelling of 90132804 in words is "ninety million, one hundred thirty-two thousand, eight hundred four".