18431714 has 32 divisors (see below), whose sum is σ = 32731776. Its totient is φ = 7620480.

The previous prime is 18431711. The next prime is 18431731. The reversal of 18431714 is 41713481.

It is not an unprimeable number, because it can be changed into a prime (18431711) 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 15 ways as a sum of consecutive naturals, for example, 93464 + ... + 93660.

It is an arithmetic number, because the mean of its divisors is an integer number (1022868).

Almost surely, 2^18431714 is an apocalyptic number.

18431714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18431714 is a deficient number, since it is larger than the sum of its proper divisors (14300062).

18431714 is a wasteful number, since it uses less digits than its factorization.

18431714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its digits is 2688, while the sum is 29.

The square root of 18431714 is about 4293.2172085745. The cubic root of 18431714 is about 264.1528136557.

The spelling of 18431714 in words is "eighteen million, four hundred thirty-one thousand, seven hundred fourteen".