14378439 has 8 divisors (see below), whose sum is σ = 19269360. Its totient is φ = 9536576.

The previous prime is 14378437. The next prime is 14378449. The reversal of 14378439 is 93487341.

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

It is a cyclic number.

It is not a de Polignac number, because 14378439 - 2¹ = 14378437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14378397 and 14378406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14378431) 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, 11574 + ... + 12755.

It is an arithmetic number, because the mean of its divisors is an integer number (2408670).

Almost surely, 2^14378439 is an apocalyptic number.

14378439 is a deficient number, since it is larger than the sum of its proper divisors (4890921).

14378439 is a wasteful number, since it uses less digits than its factorization.

14378439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24529.

The product of its digits is 72576, while the sum is 39.

The square root of 14378439 is about 3791.8912167941. The cubic root of 14378439 is about 243.1665947651.

The spelling of 14378439 in words is "fourteen million, three hundred seventy-eight thousand, four hundred thirty-nine".