14897664 has 120 divisors (see below), whose sum is σ = 44525052. Its totient is φ = 4792320.

The previous prime is 14897657. The next prime is 14897669. The reversal of 14897664 is 46679841.

It can be written as a sum of positive squares in 2 ways, for example, as 14379264 + 518400 = 3792^2 + 720^2 .

It is not an unprimeable number, because it can be changed into a prime (14897669) 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, 244194 + ... + 244254.

Almost surely, 2^14897664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14897664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22262526).

14897664 is an abundant number, since it is smaller than the sum of its proper divisors (29627388).

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

14897664 is an equidigital number, since it uses as much as digits as its factorization.

14897664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 119 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 14897664 is about 3859.7492146511. The cubic root of 14897664 is about 246.0590776216.

The spelling of 14897664 in words is "fourteen million, eight hundred ninety-seven thousand, six hundred sixty-four".