18684714 has 16 divisors (see below), whose sum is σ = 39336480. Its totient is φ = 5900400.

The previous prime is 18684703. The next prime is 18684719. The reversal of 18684714 is 41748681.

It is not an unprimeable number, because it can be changed into a prime (18684719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81837 + ... + 82064.

It is an arithmetic number, because the mean of its divisors is an integer number (2458530).

Almost surely, 2^18684714 is an apocalyptic number.

18684714 is an abundant number, since it is smaller than the sum of its proper divisors (20651766).

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

18684714 is a wasteful number, since it uses less digits than its factorization.

18684714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163925.

The product of its digits is 43008, while the sum is 39.

The square root of 18684714 is about 4322.5818673566. The cubic root of 18684714 is about 265.3559427184.

The spelling of 18684714 in words is "eighteen million, six hundred eighty-four thousand, seven hundred fourteen".