90089696 has 24 divisors (see below), whose sum is σ = 180374040. Its totient is φ = 44280448.

The previous prime is 90089663. The next prime is 90089707. The reversal of 90089696 is 69698009.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90089696.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 21971 + ... + 25746.

It is an arithmetic number, because the mean of its divisors is an integer number (7515585).

Almost surely, 2^90089696 is an apocalyptic number.

It is an amenable number.

90089696 is an abundant number, since it is smaller than the sum of its proper divisors (90284344).

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

90089696 is a wasteful number, since it uses less digits than its factorization.

90089696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47786 (or 47778 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 90089696 is about 9491.5591975186. The cubic root of 90089696 is about 448.2893008107.

The spelling of 90089696 in words is "ninety million, eighty-nine thousand, six hundred ninety-six".