682389 has 6 divisors (see below), whose sum is σ = 985686. Its totient is φ = 454920.

The previous prime is 682373. The next prime is 682411. The reversal of 682389 is 983286.

682389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 680625 + 1764 = 825^2 + 42^2 .

It is not a de Polignac number, because 682389 - 2⁴ = 682373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37902 + ... + 37919.

It is an arithmetic number, because the mean of its divisors is an integer number (164281).

2⁶⁸²³⁸⁹ is an apocalyptic number.

It is an amenable number.

682389 is a deficient number, since it is larger than the sum of its proper divisors (303297).

682389 is a wasteful number, since it uses less digits than its factorization.

682389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75827 (or 75824 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 682389 is about 826.0683991051. The cubic root of 682389 is about 88.0394537275.

The spelling of 682389 in words is "six hundred eighty-two thousand, three hundred eighty-nine".