90086118 has 16 divisors (see below), whose sum is σ = 184362816. Its totient is φ = 29330280.

The previous prime is 90086089. The next prime is 90086173. The reversal of 90086118 is 81168009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174328 + ... + 174843.

It is an arithmetic number, because the mean of its divisors is an integer number (11522676).

Almost surely, 2^90086118 is an apocalyptic number.

90086118 is an abundant number, since it is smaller than the sum of its proper divisors (94276698).

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

90086118 is a wasteful number, since it uses less digits than its factorization.

90086118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349219.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 90086118 is about 9491.3707123892. The cubic root of 90086118 is about 448.2833659835.

The spelling of 90086118 in words is "ninety million, eighty-six thousand, one hundred eighteen".