14399839 has 6 divisors (see below), whose sum is σ = 14526200. Its totient is φ = 14274216.

The previous prime is 14399837. The next prime is 14399887. The reversal of 14399839 is 93899341.

It is not a de Polignac number, because 14399839 - 2¹ = 14399837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14399831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53397 + ... + 53665.

Almost surely, 2^14399839 is an apocalyptic number.

14399839 is a deficient number, since it is larger than the sum of its proper divisors (126361).

14399839 is an frugal number, since it uses more digits than its factorization.

14399839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 468 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 14399839 is about 3794.7119785301. The cubic root of 14399839 is about 243.2871731209.

The spelling of 14399839 in words is "fourteen million, three hundred ninety-nine thousand, eight hundred thirty-nine".