18084396 has 48 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 5157120.

The previous prime is 18084383. The next prime is 18084397. The reversal of 18084396 is 69348081.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (18084397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1786 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (1015560).

Almost surely, 2^18084396 is an apocalyptic number.

It is an amenable number.

18084396 is an abundant number, since it is smaller than the sum of its proper divisors (30662484).

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

18084396 is a wasteful number, since it uses less digits than its factorization.

18084396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8094 (or 8092 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 18084396 is about 4252.5752197933. The cubic root of 18084396 is about 262.4830936958.

The spelling of 18084396 in words is "eighteen million, eighty-four thousand, three hundred ninety-six".