683601 has 16 divisors (see below), whose sum is σ = 979200. Its totient is φ = 422928.

The previous prime is 683597. The next prime is 683603. The reversal of 683601 is 106386.

683601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 683601 - 2² = 683597 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (683603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3730 + ... + 3908.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2⁶⁸³⁶⁰¹ is an apocalyptic number.

It is an amenable number.

683601 is a deficient number, since it is larger than the sum of its proper divisors (295599).

683601 is a wasteful number, since it uses less digits than its factorization.

683601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 683601 is about 826.8016690839. The cubic root of 683601 is about 88.0915455732.

Adding to 683601 its reverse (106386), we get a palindrome (789987).

The spelling of 683601 in words is "six hundred eighty-three thousand, six hundred one".