6979937 has 2 divisors, whose sum is σ = 6979938. Its totient is φ = 6979936.

The previous prime is 6979919. The next prime is 6979943. The reversal of 6979937 is 7399796.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6806881 + 173056 = 2609^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 6979937 - 2¹² = 6975841 is a prime.

It is not a weakly prime, because it can be changed into another prime (6979957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489968 + 3489969.

It is an arithmetic number, because the mean of its divisors is an integer number (3489969).

Almost surely, 2^6979937 is an apocalyptic number.

It is an amenable number.

6979937 is a deficient number, since it is larger than the sum of its proper divisors (1).

6979937 is an equidigital number, since it uses as much as digits as its factorization.

6979937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 642978, while the sum is 50.

The square root of 6979937 is about 2641.9570397718. The cubic root of 6979937 is about 191.1101855938.

The spelling of 6979937 in words is "six million, nine hundred seventy-nine thousand, nine hundred thirty-seven".