18084252 has 48 divisors (see below), whose sum is σ = 43731072. Its totient is φ = 5812800.

The previous prime is 18084247. The next prime is 18084301. The reversal of 18084252 is 25248081.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 51943 + ... + 52289.

It is an arithmetic number, because the mean of its divisors is an integer number (911064).

Almost surely, 2^18084252 is an apocalyptic number.

18084252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18084252 is an abundant number, since it is smaller than the sum of its proper divisors (25646820).

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

18084252 is a wasteful number, since it uses less digits than its factorization.

18084252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 18084252 is about 4252.5582888421. The cubic root of 18084252 is about 262.4823970055.

It can be divided in two parts, 18084 and 252, that added together give a triangular number (18336 = T₁₉₁).

The spelling of 18084252 in words is "eighteen million, eighty-four thousand, two hundred fifty-two".