14889915 has 12 divisors (see below), whose sum is σ = 25809264. Its totient is φ = 7941264.

The previous prime is 14889913. The next prime is 14889923. The reversal of 14889915 is 51998841.

It is not a de Polignac number, because 14889915 - 2¹ = 14889913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 330887 = 14889915 / (1 + 4 + 8 + 8 + 9 + 9 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (14889913) 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, 165399 + ... + 165488.

It is an arithmetic number, because the mean of its divisors is an integer number (2150772).

Almost surely, 2^14889915 is an apocalyptic number.

14889915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14889915 is a deficient number, since it is larger than the sum of its proper divisors (10919349).

14889915 is a wasteful number, since it uses less digits than its factorization.

14889915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330898 (or 330895 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 14889915 is about 3858.7452623878. The cubic root of 14889915 is about 246.0164077892.

The spelling of 14889915 in words is "fourteen million, eight hundred eighty-nine thousand, nine hundred fifteen".