682981 has 8 divisors (see below), whose sum is σ = 743904. Its totient is φ = 623280.

The previous prime is 682967. The next prime is 683003. The reversal of 682981 is 189286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 682981 - 2¹³ = 674789 is a prime.

It is a super-2 number, since 2×682981² = 932926092722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146 + ... + 1636.

It is an arithmetic number, because the mean of its divisors is an integer number (92988).

2⁶⁸²⁹⁸¹ is an apocalyptic number.

It is an amenable number.

682981 is a deficient number, since it is larger than the sum of its proper divisors (60923).

682981 is a wasteful number, since it uses less digits than its factorization.

682981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its digits is 6912, while the sum is 34.

The square root of 682981 is about 826.4266452626. The cubic root of 682981 is about 88.0649056286.

The spelling of 682981 in words is "six hundred eighty-two thousand, nine hundred eighty-one".