682688 has 14 divisors (see below), whose sum is σ = 1354836. Its totient is φ = 341312.

The previous prime is 682679. The next prime is 682697. The reversal of 682688 is 886286.

It is an interprime number because it is at equal distance from previous prime (682679) and next prime (682697).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 682688.

It is an unprimeable number.

682688 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5270 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (96774).

2⁶⁸²⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

682688 is a deficient number, since it is larger than the sum of its proper divisors (672148).

682688 is a wasteful number, since it uses less digits than its factorization.

682688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679 (or 10669 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 682688 is about 826.2493570345. The cubic root of 682688 is about 88.0523104963.

The spelling of 682688 in words is "six hundred eighty-two thousand, six hundred eighty-eight".