14442439 has 6 divisors (see below), whose sum is σ = 15874880. Its totient is φ = 13129380.

The previous prime is 14442431. The next prime is 14442443. The reversal of 14442439 is 93424441.

It is not a de Polignac number, because 14442439 - 2³ = 14442431 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 14442439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14442431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59559 + ... + 59800.

Almost surely, 2^14442439 is an apocalyptic number.

14442439 is a deficient number, since it is larger than the sum of its proper divisors (1432441).

14442439 is a wasteful number, since it uses less digits than its factorization.

14442439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119381 (or 119370 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 14442439 is about 3800.3209075024. The cubic root of 14442439 is about 243.5268477945.

It can be divided in two parts, 1444 and 2439, that added together give a palindrome (3883).

The spelling of 14442439 in words is "fourteen million, four hundred forty-two thousand, four hundred thirty-nine".