6682689 has 32 divisors (see below), whose sum is σ = 10841600. Its totient is φ = 4043520.

The previous prime is 6682609. The next prime is 6682693. The reversal of 6682689 is 9862866.

It is not a de Polignac number, because 6682689 - 2⁷ = 6682561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6682609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27609 + ... + 27849.

It is an arithmetic number, because the mean of its divisors is an integer number (338800).

Almost surely, 2^6682689 is an apocalyptic number.

It is an amenable number.

6682689 is a deficient number, since it is larger than the sum of its proper divisors (4158911).

6682689 is a wasteful number, since it uses less digits than its factorization.

6682689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 336 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 6682689 is about 2585.0897469914. The cubic root of 6682689 is about 188.3578610774.

The spelling of 6682689 in words is "six million, six hundred eighty-two thousand, six hundred eighty-nine".