14678839 has 8 divisors (see below), whose sum is σ = 16939520. Its totient is φ = 12459096.

The previous prime is 14678821. The next prime is 14678863. The reversal of 14678839 is 93887641.

It is a happy number.

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 14678839 - 2¹¹ = 14676791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14678809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9459 + ... + 10900.

It is an arithmetic number, because the mean of its divisors is an integer number (2117440).

Almost surely, 2^14678839 is an apocalyptic number.

14678839 is a deficient number, since it is larger than the sum of its proper divisors (2260681).

14678839 is a wasteful number, since it uses less digits than its factorization.

14678839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20469.

The product of its digits is 290304, while the sum is 46.

The square root of 14678839 is about 3831.2972998712. The cubic root of 14678839 is about 244.8483804356.

The spelling of 14678839 in words is "fourteen million, six hundred seventy-eight thousand, eight hundred thirty-nine".