90809082 has 48 divisors (see below), whose sum is σ = 242161920. Its totient is φ = 23949216.

The previous prime is 90809057. The next prime is 90809101. The reversal of 90809082 is 28090809.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26082 + ... + 29357.

It is an arithmetic number, because the mean of its divisors is an integer number (5045040).

Almost surely, 2^90809082 is an apocalyptic number.

90809082 is an abundant number, since it is smaller than the sum of its proper divisors (151352838).

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

90809082 is a wasteful number, since it uses less digits than its factorization.

90809082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55467 (or 55464 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 90809082 is about 9529.3799378553. The cubic root of 90809082 is about 449.4793682529.

The spelling of 90809082 in words is "ninety million, eight hundred nine thousand, eighty-two".