90299585 has 16 divisors (see below), whose sum is σ = 111086976. Its totient is φ = 70443648.

The previous prime is 90299579. The next prime is 90299603. The reversal of 90299585 is 58599209.

It is a cyclic number.

It is not a de Polignac number, because 90299585 - 2⁴ = 90299569 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 33197 + ... + 35813.

It is an arithmetic number, because the mean of its divisors is an integer number (6942936).

Almost surely, 2^90299585 is an apocalyptic number.

It is an amenable number.

90299585 is a deficient number, since it is larger than the sum of its proper divisors (20787391).

90299585 is a wasteful number, since it uses less digits than its factorization.

90299585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792.

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 90299585 is about 9502.6093784813. The cubic root of 90299585 is about 448.6371689958.

The spelling of 90299585 in words is "ninety million, two hundred ninety-nine thousand, five hundred eighty-five".