683217 has 6 divisors (see below), whose sum is σ = 986882. Its totient is φ = 455472.

The previous prime is 683201. The next prime is 683231. The reversal of 683217 is 712386.

683217 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., 641601 + 41616 = 801^2 + 204^2 .

It is not a de Polignac number, because 683217 - 2⁴ = 683201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683257) 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, 37948 + ... + 37965.

2⁶⁸³²¹⁷ is an apocalyptic number.

It is an amenable number.

683217 is a deficient number, since it is larger than the sum of its proper divisors (303665).

683217 is a wasteful number, since it uses less digits than its factorization.

683217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75919 (or 75916 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 683217 is about 826.5694163227. The cubic root of 683217 is about 88.0750478943.

It can be divided in two parts, 683 and 217, that added together give a square (900 = 30²).

The spelling of 683217 in words is "six hundred eighty-three thousand, two hundred seventeen".