18306714 has 16 divisors (see below), whose sum is σ = 37876320. Its totient is φ = 5891760.

The previous prime is 18306661. The next prime is 18306719. The reversal of 18306714 is 41760381.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18306719) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52432 + ... + 52779.

It is an arithmetic number, because the mean of its divisors is an integer number (2367270).

Almost surely, 2^18306714 is an apocalyptic number.

18306714 is an abundant number, since it is smaller than the sum of its proper divisors (19569606).

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

18306714 is a wasteful number, since it uses less digits than its factorization.

18306714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105245.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 18306714 is about 4278.6345952885. The cubic root of 18306714 is about 263.5543157428.

The spelling of 18306714 in words is "eighteen million, three hundred six thousand, seven hundred fourteen".