14909986 has 64 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 5391360.

The previous prime is 14909959. The next prime is 14909987. The reversal of 14909986 is 68990941.

It is not an unprimeable number, because it can be changed into a prime (14909987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188695 + ... + 188773.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^14909986 is an apocalyptic number.

14909986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

14909986 is a wasteful number, since it uses less digits than its factorization.

14909986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 14909986 is about 3861.3451024222. The cubic root of 14909986 is about 246.1268981968.

It can be divided in two parts, 1490 and 9986, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 14909986 in words is "fourteen million, nine hundred nine thousand, nine hundred eighty-six".