6984917 has 2 divisors, whose sum is σ = 6984918. Its totient is φ = 6984916.

The previous prime is 6984907. The next prime is 6984931. The reversal of 6984917 is 7194896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5982916 + 1002001 = 2446^2 + 1001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6984917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6984907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492458 + 3492459.

It is an arithmetic number, because the mean of its divisors is an integer number (3492459).

Almost surely, 2^6984917 is an apocalyptic number.

It is an amenable number.

6984917 is a deficient number, since it is larger than the sum of its proper divisors (1).

6984917 is an equidigital number, since it uses as much as digits as its factorization.

6984917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 6984917 is about 2642.8993548752. The cubic root of 6984917 is about 191.1556254724.

The spelling of 6984917 in words is "six million, nine hundred eighty-four thousand, nine hundred seventeen".