14397839 has 16 divisors (see below), whose sum is σ = 16174080. Its totient is φ = 12751200.

The previous prime is 14397809. The next prime is 14397841. The reversal of 14397839 is 93879341.

It is a happy number.

It is not a de Polignac number, because 14397839 - 2⁸ = 14397583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14397839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14397809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20189 + ... + 20889.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 2^14397839 is an apocalyptic number.

14397839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14397839 is a deficient number, since it is larger than the sum of its proper divisors (1776241).

14397839 is a wasteful number, since it uses less digits than its factorization.

14397839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its digits is 163296, while the sum is 44.

The square root of 14397839 is about 3794.4484447677. The cubic root of 14397839 is about 243.2759091784.

The spelling of 14397839 in words is "fourteen million, three hundred ninety-seven thousand, eight hundred thirty-nine".