6976861 has 2 divisors, whose sum is σ = 6976862. Its totient is φ = 6976860.

The previous prime is 6976787. The next prime is 6976873. The reversal of 6976861 is 1686796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4756761 + 2220100 = 2181^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 6976861 - 2⁹ = 6976349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6976261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488430 + 3488431.

It is an arithmetic number, because the mean of its divisors is an integer number (3488431).

Almost surely, 2^6976861 is an apocalyptic number.

It is an amenable number.

6976861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6976861 is an equidigital number, since it uses as much as digits as its factorization.

6976861 is an evil number, because the sum of its binary digits is even.

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

The square root of 6976861 is about 2641.3748314088. The cubic root of 6976861 is about 191.0821079141.

The spelling of 6976861 in words is "six million, nine hundred seventy-six thousand, eight hundred sixty-one".