14997440 has 28 divisors (see below), whose sum is σ = 35713416. Its totient is φ = 5998848.

The previous prime is 14997421. The next prime is 14997443. The reversal of 14997440 is 4479941.

14997440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 14997394 and 14997403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14997443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23114 + ... + 23753.

Almost surely, 2^14997440 is an apocalyptic number.

14997440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14997440 is an abundant number, since it is smaller than the sum of its proper divisors (20715976).

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

14997440 is an equidigital number, since it uses as much as digits as its factorization.

14997440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46884 (or 46874 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 14997440 is about 3872.6528375262. The cubic root of 14997440 is about 246.6071766284.

The spelling of 14997440 in words is "fourteen million, nine hundred ninety-seven thousand, four hundred forty".