6785939 has 2 divisors, whose sum is σ = 6785940. Its totient is φ = 6785938.

The previous prime is 6785929. The next prime is 6785953. The reversal of 6785939 is 9395876.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6785939 - 2⁴ = 6785923 is a prime.

It is a super-2 number, since 2×6785939² = 92097936223442, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6785893 and 6785902.

It is not a weakly prime, because it can be changed into another prime (6785929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3392969 + 3392970.

It is an arithmetic number, because the mean of its divisors is an integer number (3392970).

Almost surely, 2^6785939 is an apocalyptic number.

6785939 is a deficient number, since it is larger than the sum of its proper divisors (1).

6785939 is an equidigital number, since it uses as much as digits as its factorization.

6785939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 6785939 is about 2604.9834932299. The cubic root of 6785939 is about 189.3229736143.

The spelling of 6785939 in words is "six million, seven hundred eighty-five thousand, nine hundred thirty-nine".