6685317 has 12 divisors (see below), whose sum is σ = 9702784. Its totient is φ = 4435560.

The previous prime is 6685307. The next prime is 6685331. The reversal of 6685317 is 7135866.

It is not a de Polignac number, because 6685317 - 2¹⁸ = 6423173 is a prime.

It is a Duffinian number.

6685317 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6685307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342 + ... + 3672.

Almost surely, 2^6685317 is an apocalyptic number.

It is an amenable number.

6685317 is a deficient number, since it is larger than the sum of its proper divisors (3017467).

6685317 is a wasteful number, since it uses less digits than its factorization.

6685317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3557 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 6685317 is about 2585.5979965958. The cubic root of 6685317 is about 188.3825487237.

The spelling of 6685317 in words is "six million, six hundred eighty-five thousand, three hundred seventeen".