18534084 has 12 divisors (see below), whose sum is σ = 43246224. Its totient is φ = 6178024.

The previous prime is 18534079. The next prime is 18534137. The reversal of 18534084 is 48043581.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772242 + ... + 772265.

It is an arithmetic number, because the mean of its divisors is an integer number (3603852).

Almost surely, 2^18534084 is an apocalyptic number.

It is an amenable number.

18534084 is an abundant number, since it is smaller than the sum of its proper divisors (24712140).

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

18534084 is a wasteful number, since it uses less digits than its factorization.

18534084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544514 (or 1544512 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 18534084 is about 4305.1229947587. The cubic root of 18534084 is about 264.6409472209.

The spelling of 18534084 in words is "eighteen million, five hundred thirty-four thousand, eighty-four".