6940879 has 8 divisors (see below), whose sum is σ = 8017488. Its totient is φ = 5938560.

The previous prime is 6940873. The next prime is 6940891. The reversal of 6940879 is 9780496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6940879 - 2¹⁷ = 6809807 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 (6940873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18372 + ... + 18745.

It is an arithmetic number, because the mean of its divisors is an integer number (1002186).

Almost surely, 2^6940879 is an apocalyptic number.

6940879 is a deficient number, since it is larger than the sum of its proper divisors (1076609).

6940879 is a wasteful number, since it uses less digits than its factorization.

6940879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37145.

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

The square root of 6940879 is about 2634.5548011002. The cubic root of 6940879 is about 190.7530501823.

The spelling of 6940879 in words is "six million, nine hundred forty thousand, eight hundred seventy-nine".