6904879 has 4 divisors (see below), whose sum is σ = 6957720. Its totient is φ = 6852040.

The previous prime is 6904831. The next prime is 6904883. The reversal of 6904879 is 9784096.

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 6904879 - 2⁹ = 6904367 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 (6904279) 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 in 3 ways as a sum of consecutive naturals, for example, 26224 + ... + 26485.

It is an arithmetic number, because the mean of its divisors is an integer number (1739430).

Almost surely, 2^6904879 is an apocalyptic number.

6904879 is a deficient number, since it is larger than the sum of its proper divisors (52841).

6904879 is a wasteful number, since it uses less digits than its factorization.

6904879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52840.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 6904879 is about 2627.7136449773. The cubic root of 6904879 is about 190.4226877697.

The spelling of 6904879 in words is "six million, nine hundred four thousand, eight hundred seventy-nine".