14886989 has 8 divisors (see below), whose sum is σ = 16295832. Its totient is φ = 13515840.

The previous prime is 14886983. The next prime is 14887001. The reversal of 14886989 is 98968841.

It can be written as a sum of positive squares in 4 ways, for example, as 1085764 + 13801225 = 1042^2 + 3715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14886989 - 2¹² = 14882893 is a prime.

It is a super-2 number, since 2×14886989² = 443244882972242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14886989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14886983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8594 + ... + 10179.

It is an arithmetic number, because the mean of its divisors is an integer number (2036979).

Almost surely, 2^14886989 is an apocalyptic number.

It is an amenable number.

14886989 is a deficient number, since it is larger than the sum of its proper divisors (1408843).

14886989 is a wasteful number, since it uses less digits than its factorization.

14886989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18847.

The product of its digits is 995328, while the sum is 53.

The square root of 14886989 is about 3858.3661049724. The cubic root of 14886989 is about 246.0002919335. Note that the first 3 decimals are identical.

Subtracting from 14886989 its sum of digits (53), we obtain a cube (14886936 = 246³).

The spelling of 14886989 in words is "fourteen million, eight hundred eighty-six thousand, nine hundred eighty-nine".