18936714 has 16 divisors (see below), whose sum is σ = 38045952. Its totient is φ = 6283488.

The previous prime is 18936713. The next prime is 18936719. The reversal of 18936714 is 41763981.

It is not an unprimeable number, because it can be changed into a prime (18936713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5739 + ... + 8414.

It is an arithmetic number, because the mean of its divisors is an integer number (2377872).

Almost surely, 2^18936714 is an apocalyptic number.

18936714 is an abundant number, since it is smaller than the sum of its proper divisors (19109238).

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

18936714 is a wasteful number, since it uses less digits than its factorization.

18936714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14381.

The product of its digits is 36288, while the sum is 39.

The square root of 18936714 is about 4351.6334864048. The cubic root of 18936714 is about 266.5435678366.

The spelling of 18936714 in words is "eighteen million, nine hundred thirty-six thousand, seven hundred fourteen".