18084860 has 24 divisors (see below), whose sum is σ = 39006240. Its totient is φ = 7038144.

The previous prime is 18084851. The next prime is 18084919. The reversal of 18084860 is 6848081.

It is a super-2 number, since 2×18084860² = 654124322439200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18084860.

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, 11480 + ... + 12959.

It is an arithmetic number, because the mean of its divisors is an integer number (1625260).

Almost surely, 2^18084860 is an apocalyptic number.

18084860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18084860 is an abundant number, since it is smaller than the sum of its proper divisors (20921380).

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

18084860 is a wasteful number, since it uses less digits than its factorization.

18084860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24485 (or 24483 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 18084860 is about 4252.6297746218. The cubic root of 18084860 is about 262.4853385613.

The spelling of 18084860 in words is "eighteen million, eighty-four thousand, eight hundred sixty".