6979906 has 8 divisors (see below), whose sum is σ = 10537020. Its totient is φ = 3467568.

The previous prime is 6979901. The next prime is 6979913. The reversal of 6979906 is 6099796.

It can be written as a sum of positive squares in 2 ways, for example, as 6630625 + 349281 = 2575^2 + 591^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6979901) 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, 10801 + ... + 11428.

Almost surely, 2^6979906 is an apocalyptic number.

6979906 is a deficient number, since it is larger than the sum of its proper divisors (3557114).

6979906 is a wasteful number, since it uses less digits than its factorization.

6979906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22388.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 6979906 is about 2641.9511729023. The cubic root of 6979906 is about 191.1099026675.

The spelling of 6979906 in words is "six million, nine hundred seventy-nine thousand, nine hundred six".