14239986 has 16 divisors (see below), whose sum is σ = 29462400. Its totient is φ = 4582928.

The previous prime is 14239969. The next prime is 14240011. The reversal of 14239986 is 68993241.

14239986 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40746 + ... + 41093.

It is an arithmetic number, because the mean of its divisors is an integer number (1841400).

Almost surely, 2^14239986 is an apocalyptic number.

14239986 is an abundant number, since it is smaller than the sum of its proper divisors (15222414).

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

14239986 is a wasteful number, since it uses less digits than its factorization.

14239986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81873.

The product of its digits is 93312, while the sum is 42.

The square root of 14239986 is about 3773.5905978259. The cubic root of 14239986 is about 242.3835753883.

It can be divided in two parts, 14239 and 986, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 14239986 in words is "fourteen million, two hundred thirty-nine thousand, nine hundred eighty-six".