682439 has 2 divisors, whose sum is σ = 682440. Its totient is φ = 682438.

The previous prime is 682427. The next prime is 682447. The reversal of 682439 is 934286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 682439 - 2⁸ = 682183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682489) 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 as a sum of consecutive naturals, namely, 341219 + 341220.

It is an arithmetic number, because the mean of its divisors is an integer number (341220).

2⁶⁸²⁴³⁹ is an apocalyptic number.

682439 is a deficient number, since it is larger than the sum of its proper divisors (1).

682439 is an equidigital number, since it uses as much as digits as its factorization.

682439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 682439 is about 826.0986623885. The cubic root of 682439 is about 88.0416039503.

The spelling of 682439 in words is "six hundred eighty-two thousand, four hundred thirty-nine".