14239818 has 24 divisors (see below), whose sum is σ = 31278468. Its totient is φ = 4681152.

The previous prime is 14239817. The next prime is 14239847. The reversal of 14239818 is 81893241.

It can be written as a sum of positive squares in 2 ways, for example, as 14040009 + 199809 = 3747^2 + 447^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14239811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4105 + ... + 6732.

Almost surely, 2^14239818 is an apocalyptic number.

14239818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14239818 is an abundant number, since it is smaller than the sum of its proper divisors (17038650).

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

14239818 is a wasteful number, since it uses less digits than its factorization.

14239818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10918 (or 10915 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 14239818 is about 3773.5683377938. The cubic root of 14239818 is about 242.3826221898.

The spelling of 14239818 in words is "fourteen million, two hundred thirty-nine thousand, eight hundred eighteen".