6936979 has 12 divisors (see below), whose sum is σ = 8193864. Its totient is φ = 5854464.

The previous prime is 6936977. The next prime is 6936989. The reversal of 6936979 is 9796396.

It is not a de Polignac number, because 6936979 - 2¹ = 6936977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

Its product of digits (551124) is a multiple of the sum of its prime divisors (2187).

It is not an unprimeable number, because it can be changed into a prime (6936973) 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 11 ways as a sum of consecutive naturals, for example, 2227 + ... + 4339.

It is an arithmetic number, because the mean of its divisors is an integer number (682822).

Almost surely, 2^6936979 is an apocalyptic number.

6936979 is a deficient number, since it is larger than the sum of its proper divisors (1256885).

6936979 is a wasteful number, since it uses less digits than its factorization.

6936979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 2187 counting only the distinct ones).

The product of its digits is 551124, while the sum is 49.

The square root of 6936979 is about 2633.8145340931. The cubic root of 6936979 is about 190.7173161744.

The spelling of 6936979 in words is "six million, nine hundred thirty-six thousand, nine hundred seventy-nine".