682887 has 4 divisors (see below), whose sum is σ = 910520. Its totient is φ = 455256.

The previous prime is 682819. The next prime is 682901. The reversal of 682887 is 788286.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 682887 - 2¹⁸ = 420743 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683887) 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 3 ways as a sum of consecutive naturals, for example, 113812 + ... + 113817.

It is an arithmetic number, because the mean of its divisors is an integer number (227630).

2⁶⁸²⁸⁸⁷ is an apocalyptic number.

682887 is a deficient number, since it is larger than the sum of its proper divisors (227633).

682887 is a wasteful number, since it uses less digits than its factorization.

682887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227632.

The product of its digits is 43008, while the sum is 39.

The square root of 682887 is about 826.3697719544. The cubic root of 682887 is about 88.0608652619.

The spelling of 682887 in words is "six hundred eighty-two thousand, eight hundred eighty-seven".