6679239 has 16 divisors (see below), whose sum is σ = 10387200. Its totient is φ = 3816120.

The previous prime is 6679237. The next prime is 6679247. The reversal of 6679239 is 9329766.

It is not a de Polignac number, because 6679239 - 2¹ = 6679237 is a prime.

It is a super-2 number, since 2×6679239² = 89224467238242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6679239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2217 + ... + 4274.

It is an arithmetic number, because the mean of its divisors is an integer number (649200).

Almost surely, 2^6679239 is an apocalyptic number.

6679239 is a deficient number, since it is larger than the sum of its proper divisors (3707961).

6679239 is an equidigital number, since it uses as much as digits as its factorization.

6679239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515 (or 6501 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The square root of 6679239 is about 2584.4223726009. The cubic root of 6679239 is about 188.3254416686.

The spelling of 6679239 in words is "six million, six hundred seventy-nine thousand, two hundred thirty-nine".