14313440 has 24 divisors (see below), whose sum is σ = 33815880. Its totient is φ = 5725312.

The previous prime is 14313437. The next prime is 14313449. The reversal of 14313440 is 4431341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14313449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44570 + ... + 44889.

It is an arithmetic number, because the mean of its divisors is an integer number (1408995).

Almost surely, 2^14313440 is an apocalyptic number.

14313440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14313440 is an abundant number, since it is smaller than the sum of its proper divisors (19502440).

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

14313440 is an equidigital number, since it uses as much as digits as its factorization.

14313440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89474 (or 89466 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 14313440 is about 3783.3107194625. The cubic root of 14313440 is about 242.7996225614.

Adding to 14313440 its reverse (4431341), we get a palindrome (18744781).

The spelling of 14313440 in words is "fourteen million, three hundred thirteen thousand, four hundred forty".