18085028 has 36 divisors (see below), whose sum is σ = 35417088. Its totient is φ = 8068320.

The previous prime is 18085019. The next prime is 18085051. The reversal of 18085028 is 82058081.

It is a junction number, because it is equal to n+sod(n) for n = 18084985 and 18085003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20525 + ... + 21387.

It is an arithmetic number, because the mean of its divisors is an integer number (983808).

Almost surely, 2^18085028 is an apocalyptic number.

It is an amenable number.

18085028 is a deficient number, since it is larger than the sum of its proper divisors (17332060).

18085028 is a wasteful number, since it uses less digits than its factorization.

18085028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 18085028 is about 4252.6495270596. The cubic root of 18085028 is about 262.4861513480.

The spelling of 18085028 in words is "eighteen million, eighty-five thousand, twenty-eight".