682218 has 24 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 225000.

The previous prime is 682207. The next prime is 682219. The reversal of 682218 is 812286.

682218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 682191 and 682200.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 682218.

It is not an unprimeable number, because it can be changed into a prime (682219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2593 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2⁶⁸²²¹⁸ is an apocalyptic number.

682218 is an abundant number, since it is smaller than the sum of its proper divisors (811638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682218 is a wasteful number, since it uses less digits than its factorization.

682218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 407 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 682218 is about 825.9648902950. The cubic root of 682218 is about 88.0320991715.

It can be divided in two parts, 682 and 218, that added together give a square (900 = 30²).

The spelling of 682218 in words is "six hundred eighty-two thousand, two hundred eighteen".