14644393 has 2 divisors, whose sum is σ = 14644394. Its totient is φ = 14644392.

The previous prime is 14644387. The next prime is 14644403. The reversal of 14644393 is 39344641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9018009 + 5626384 = 3003^2 + 2372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14644393 is a prime.

It is not a weakly prime, because it can be changed into another prime (14644303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322196 + 7322197.

It is an arithmetic number, because the mean of its divisors is an integer number (7322197).

Almost surely, 2^14644393 is an apocalyptic number.

It is an amenable number.

14644393 is a deficient number, since it is larger than the sum of its proper divisors (1).

14644393 is an equidigital number, since it uses as much as digits as its factorization.

14644393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 14644393 is about 3826.7993153548. The cubic root of 14644393 is about 244.6567064856.

The spelling of 14644393 in words is "fourteen million, six hundred forty-four thousand, three hundred ninety-three".