18085036 has 48 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 8147520.

The previous prime is 18085019. The next prime is 18085051. The reversal of 18085036 is 63058081.

It is a junction number, because it is equal to n+sod(n) for n = 18084989 and 18085007.

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, 217851 + ... + 217933.

It is an arithmetic number, because the mean of its divisors is an integer number (729120).

Almost surely, 2^18085036 is an apocalyptic number.

It is an amenable number.

18085036 is a deficient number, since it is larger than the sum of its proper divisors (16912724).

18085036 is a wasteful number, since it uses less digits than its factorization.

18085036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 18085036 is about 4252.6504676496. The cubic root of 18085036 is about 262.4861900520.

The spelling of 18085036 in words is "eighteen million, eighty-five thousand, thirty-six".