90182980 has 12 divisors (see below), whose sum is σ = 189384300. Its totient is φ = 36073184.

The previous prime is 90182971. The next prime is 90183031. The reversal of 90182980 is 8928109.

It can be written as a sum of positive squares in 2 ways, for example, as 9326916 + 80856064 = 3054^2 + 8992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254555 + ... + 2254594.

It is an arithmetic number, because the mean of its divisors is an integer number (15782025).

Almost surely, 2^90182980 is an apocalyptic number.

It is an amenable number.

90182980 is an abundant number, since it is smaller than the sum of its proper divisors (99201320).

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

90182980 is a wasteful number, since it uses less digits than its factorization.

90182980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509158 (or 4509156 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 90182980 is about 9496.4719764763. The cubic root of 90182980 is about 448.4439755243.

The spelling of 90182980 in words is "ninety million, one hundred eighty-two thousand, nine hundred eighty".