682689 has 32 divisors (see below), whose sum is σ = 1152000. Its totient is φ = 350784.

The previous prime is 682679. The next prime is 682697. The reversal of 682689 is 986286.

It is not a de Polignac number, because 682689 - 2⁴ = 682673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11542 + ... + 11600.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2⁶⁸²⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

682689 is a deficient number, since it is larger than the sum of its proper divisors (469311).

682689 is a wasteful number, since it uses less digits than its factorization.

682689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117.

The product of its digits is 41472, while the sum is 39.

The square root of 682689 is about 826.2499621785. The cubic root of 682689 is about 88.0523534892.

The spelling of 682689 in words is "six hundred eighty-two thousand, six hundred eighty-nine".