6785685 has 24 divisors (see below), whose sum is σ = 11886264. Its totient is φ = 3580800.

The previous prime is 6785671. The next prime is 6785707. The reversal of 6785685 is 5865876.

It can be written as a sum of positive squares in 4 ways, for example, as 3663396 + 3122289 = 1914^2 + 1767^2 .

It is not a de Polignac number, because 6785685 - 2⁷ = 6785557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6785685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3799 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (495261).

Almost surely, 2^6785685 is an apocalyptic number.

It is an amenable number.

6785685 is a deficient number, since it is larger than the sum of its proper divisors (5100579).

6785685 is a wasteful number, since it uses less digits than its factorization.

6785685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1602 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 6785685 is about 2604.9347400655. The cubic root of 6785685 is about 189.3206114438.

The spelling of 6785685 in words is "six million, seven hundred eighty-five thousand, six hundred eighty-five".