682881 has 4 divisors (see below), whose sum is σ = 910512. Its totient is φ = 455252.

The previous prime is 682819. The next prime is 682901. The reversal of 682881 is 188286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 682881 - 2¹⁷ = 551809 is a prime.

It is a super-2 number, since 2×682881² = 932652920322, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (682811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113811 + ... + 113816.

It is an arithmetic number, because the mean of its divisors is an integer number (227628).

2⁶⁸²⁸⁸¹ is an apocalyptic number.

It is an amenable number.

682881 is a deficient number, since it is larger than the sum of its proper divisors (227631).

682881 is a wasteful number, since it uses less digits than its factorization.

682881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227630.

The product of its digits is 6144, while the sum is 33.

The square root of 682881 is about 826.3661416104. The cubic root of 682881 is about 88.0606073536.

The spelling of 682881 in words is "six hundred eighty-two thousand, eight hundred eighty-one".