90085612 has 12 divisors (see below), whose sum is σ = 165947320. Its totient is φ = 42672096.

The previous prime is 90085603. The next prime is 90085643. The reversal of 90085612 is 21658009.

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, 592593 + ... + 592744.

Almost surely, 2^90085612 is an apocalyptic number.

It is an amenable number.

90085612 is a deficient number, since it is larger than the sum of its proper divisors (75861708).

90085612 is a wasteful number, since it uses less digits than its factorization.

90085612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185360 (or 1185358 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 90085612 is about 9491.3440565602. The cubic root of 90085612 is about 448.2825266688.

The spelling of 90085612 in words is "ninety million, eighty-five thousand, six hundred twelve".