6928679 has 2 divisors, whose sum is σ = 6928680. Its totient is φ = 6928678.

The previous prime is 6928667. The next prime is 6928699. The reversal of 6928679 is 9768296.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6928679 - 2⁸ = 6928423 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6928609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464339 + 3464340.

It is an arithmetic number, because the mean of its divisors is an integer number (3464340).

Almost surely, 2^6928679 is an apocalyptic number.

6928679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6928679 is an equidigital number, since it uses as much as digits as its factorization.

6928679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 6928679 is about 2632.2384010572. The cubic root of 6928679 is about 190.6412222690.

The spelling of 6928679 in words is "six million, nine hundred twenty-eight thousand, six hundred seventy-nine".