18318714 has 8 divisors (see below), whose sum is σ = 36637440. Its totient is φ = 6106236.

The previous prime is 18318709. The next prime is 18318779. The reversal of 18318714 is 41781381.

It is a sphenic number, since it is the product of 3 distinct primes.

18318714 is an admirable number.

It is a super-2 number, since 2×18318714² = 671150565227592, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1526554 + ... + 1526565.

It is an arithmetic number, because the mean of its divisors is an integer number (4579680).

Almost surely, 2^18318714 is an apocalyptic number.

18318714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18318714 is a wasteful number, since it uses less digits than its factorization.

18318714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053124.

The product of its digits is 5376, while the sum is 33.

The square root of 18318714 is about 4280.0366820858. The cubic root of 18318714 is about 263.6118895380.

The spelling of 18318714 in words is "eighteen million, three hundred eighteen thousand, seven hundred fourteen".