6983657 has 2 divisors, whose sum is σ = 6983658. Its totient is φ = 6983656.

The previous prime is 6983629. The next prime is 6983671. The reversal of 6983657 is 7563896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5851561 + 1132096 = 2419^2 + 1064^2 .

It is a cyclic number.

It is not a de Polignac number, because 6983657 - 2⁶ = 6983593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6983677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3491828 + 3491829.

It is an arithmetic number, because the mean of its divisors is an integer number (3491829).

Almost surely, 2^6983657 is an apocalyptic number.

It is an amenable number.

6983657 is a deficient number, since it is larger than the sum of its proper divisors (1).

6983657 is an equidigital number, since it uses as much as digits as its factorization.

6983657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 6983657 is about 2642.6609695532. The cubic root of 6983657 is about 191.1441306772.

The spelling of 6983657 in words is "six million, nine hundred eighty-three thousand, six hundred fifty-seven".