14288439 has 8 divisors (see below), whose sum is σ = 20783232. Its totient is φ = 8659640.

The previous prime is 14288383. The next prime is 14288441. The reversal of 14288439 is 93488241.

14288439 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14288439 - 2¹³ = 14280247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14288397 and 14288406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14288479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216459 + ... + 216524.

It is an arithmetic number, because the mean of its divisors is an integer number (2597904).

Almost surely, 2^14288439 is an apocalyptic number.

14288439 is a deficient number, since it is larger than the sum of its proper divisors (6494793).

14288439 is a wasteful number, since it uses less digits than its factorization.

14288439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432997.

The product of its digits is 55296, while the sum is 39.

The square root of 14288439 is about 3780.0051587266. The cubic root of 14288439 is about 242.6581757569.

Subtracting from 14288439 its sum of digits (39), we obtain a square (14288400 = 3780²).

The spelling of 14288439 in words is "fourteen million, two hundred eighty-eight thousand, four hundred thirty-nine".