14209986 has 32 divisors (see below), whose sum is σ = 34191360. Its totient is φ = 3846096.

The previous prime is 14209957. The next prime is 14209999. The reversal of 14209986 is 68990241.

14209986 is digitally balanced in base 2, because in such base 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 15 ways as a sum of consecutive naturals, for example, 8106 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (1068480).

Almost surely, 2^14209986 is an apocalyptic number.

14209986 is an abundant number, since it is smaller than the sum of its proper divisors (19981374).

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

14209986 is a wasteful number, since it uses less digits than its factorization.

14209986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 14209986 is about 3769.6135080403. The cubic root of 14209986 is about 242.2132423640.

The spelling of 14209986 in words is "fourteen million, two hundred nine thousand, nine hundred eighty-six".