14239431 has 6 divisors (see below), whose sum is σ = 20568080. Its totient is φ = 9492948.

The previous prime is 14239411. The next prime is 14239439. The reversal of 14239431 is 13493241.

It is not a de Polignac number, because 14239431 - 2⁵ = 14239399 is a prime.

It is a super-2 number, since 2×14239431² = 405522790407522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14239395 and 14239404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14239439) 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 5 ways as a sum of consecutive naturals, for example, 791071 + ... + 791088.

Almost surely, 2^14239431 is an apocalyptic number.

14239431 is a deficient number, since it is larger than the sum of its proper divisors (6328649).

14239431 is a wasteful number, since it uses less digits than its factorization.

14239431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582165 (or 1582162 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 14239431 is about 3773.5170597203. The cubic root of 14239431 is about 242.3804264004.

The spelling of 14239431 in words is "fourteen million, two hundred thirty-nine thousand, four hundred thirty-one".