6979339 has 4 divisors (see below), whose sum is σ = 7019856. Its totient is φ = 6938824.

The previous prime is 6979303. The next prime is 6979361. The reversal of 6979339 is 9339796.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6979339 is a prime.

It is a super-2 number, since 2×6979339² = 97422345753842, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

6979339 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6979139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19999 + ... + 20344.

It is an arithmetic number, because the mean of its divisors is an integer number (1754964).

Almost surely, 2^6979339 is an apocalyptic number.

6979339 is a deficient number, since it is larger than the sum of its proper divisors (40517).

6979339 is a wasteful number, since it uses less digits than its factorization.

6979339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40516.

The product of its digits is 275562, while the sum is 46.

The square root of 6979339 is about 2641.8438636679. The cubic root of 6979339 is about 191.1047277053.

The spelling of 6979339 in words is "six million, nine hundred seventy-nine thousand, three hundred thirty-nine".