682216 has 16 divisors (see below), whose sum is σ = 1304100. Its totient is φ = 334464.

The previous prime is 682207. The next prime is 682219. The reversal of 682216 is 612286.

It can be written as a sum of positive squares in 2 ways, for example, as 562500 + 119716 = 750^2 + 346^2 .

It is a nialpdrome in base 15.

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

682216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381 + ... + 1228.

2⁶⁸²²¹⁶ is an apocalyptic number.

It is an amenable number.

682216 is a deficient number, since it is larger than the sum of its proper divisors (621884).

682216 is a wasteful number, since it uses less digits than its factorization.

682216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1664 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 682216 is about 825.9636795889. The cubic root of 682216 is about 88.0320131460.

It can be divided in two parts, 682 and 216, that added together give a palindrome (898).

The spelling of 682216 in words is "six hundred eighty-two thousand, two hundred sixteen".