6979797 has 32 divisors (see below), whose sum is σ = 11473920. Its totient is φ = 4158000.

The previous prime is 6979789. The next prime is 6979801. The reversal of 6979797 is 7979796.

It is not a de Polignac number, because 6979797 - 2³ = 6979789 is a prime.

It is a super-2 number, since 2×6979797² = 97435132322418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6979727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20922 + ... + 21252.

It is an arithmetic number, because the mean of its divisors is an integer number (358560).

Almost surely, 2^6979797 is an apocalyptic number.

It is an amenable number.

6979797 is a deficient number, since it is larger than the sum of its proper divisors (4494123).

6979797 is a wasteful number, since it uses less digits than its factorization.

6979797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 416 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 54.

The square root of 6979797 is about 2641.9305441287. The cubic root of 6979797 is about 191.1089078552.

Subtracting 6979797 from its reverse (7979796), we obtain a palindrome (999999).

It can be divided in two parts, 6979 and 797, that added together give a 5-th power (7776 = 6⁵).

The spelling of 6979797 in words is "six million, nine hundred seventy-nine thousand, seven hundred ninety-seven".