683306 has 16 divisors (see below), whose sum is σ = 1132488. Its totient is φ = 307200.

The previous prime is 683303. The next prime is 683317. The reversal of 683306 is 603386.

683306 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 4 ways, for example, as 442225 + 241081 = 665^2 + 491^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (683303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 1386.

2⁶⁸³³⁰⁶ is an apocalyptic number.

683306 is a deficient number, since it is larger than the sum of its proper divisors (449182).

683306 is a wasteful number, since it uses less digits than its factorization.

683306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 683306 is about 826.6232515481. The cubic root of 683306 is about 88.0788721253.

It can be divided in two parts, 683 and 306, that added together give a palindrome (989).

The spelling of 683306 in words is "six hundred eighty-three thousand, three hundred six".