6946879 has 4 divisors (see below), whose sum is σ = 6952176. Its totient is φ = 6941584.

The previous prime is 6946867. The next prime is 6946889. The reversal of 6946879 is 9786496.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6946879 - 2⁵ = 6946847 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 (6946889) 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, 942 + ... + 3844.

It is an arithmetic number, because the mean of its divisors is an integer number (1738044).

Almost surely, 2^6946879 is an apocalyptic number.

6946879 is a deficient number, since it is larger than the sum of its proper divisors (5297).

6946879 is a wasteful number, since it uses less digits than its factorization.

6946879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296.

The product of its digits is 653184, while the sum is 49.

The square root of 6946879 is about 2635.6932674346. The cubic root of 6946879 is about 190.8079994507.

The spelling of 6946879 in words is "six million, nine hundred forty-six thousand, eight hundred seventy-nine".