18084412 has 6 divisors (see below), whose sum is σ = 31647728. Its totient is φ = 9042204.

The previous prime is 18084401. The next prime is 18084421. The reversal of 18084412 is 21448081.

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 as a sum of consecutive naturals, namely, 2260548 + ... + 2260555.

Almost surely, 2^18084412 is an apocalyptic number.

It is an amenable number.

18084412 is a deficient number, since it is larger than the sum of its proper divisors (13563316).

18084412 is a wasteful number, since it uses less digits than its factorization.

18084412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521107 (or 4521105 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 18084412 is about 4252.5771010059. The cubic root of 18084412 is about 262.4831711056.

It can be divided in two parts, 18084 and 412, that added together give a square (18496 = 136²).

The spelling of 18084412 in words is "eighteen million, eighty-four thousand, four hundred twelve".