6864679 has 4 divisors (see below), whose sum is σ = 7010784. Its totient is φ = 6718576.

The previous prime is 6864661. The next prime is 6864691. The reversal of 6864679 is 9764686.

6864679 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6864679 - 2⁹ = 6864167 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 (6864629) 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, 72982 + ... + 73075.

It is an arithmetic number, because the mean of its divisors is an integer number (1752696).

Almost surely, 2^6864679 is an apocalyptic number.

6864679 is a deficient number, since it is larger than the sum of its proper divisors (146105).

6864679 is a wasteful number, since it uses less digits than its factorization.

6864679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146104.

The product of its digits is 435456, while the sum is 46.

The square root of 6864679 is about 2620.0532437338. The cubic root of 6864679 is about 190.0524232076.

The spelling of 6864679 in words is "six million, eight hundred sixty-four thousand, six hundred seventy-nine".