682791 has 4 divisors (see below), whose sum is σ = 910392. Its totient is φ = 455192.

The previous prime is 682789. The next prime is 682811. The reversal of 682791 is 197286.

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

It is a cyclic number.

It is not a de Polignac number, because 682791 - 2¹ = 682789 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682751) 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, 113796 + ... + 113801.

It is an arithmetic number, because the mean of its divisors is an integer number (227598).

2⁶⁸²⁷⁹¹ is an apocalyptic number.

682791 is a deficient number, since it is larger than the sum of its proper divisors (227601).

682791 is a wasteful number, since it uses less digits than its factorization.

682791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227600.

The product of its digits is 6048, while the sum is 33.

The square root of 682791 is about 826.3116845356. The cubic root of 682791 is about 88.0567385473.

The spelling of 682791 in words is "six hundred eighty-two thousand, seven hundred ninety-one".