683943 has 24 divisors (see below), whose sum is σ = 1054080. Its totient is φ = 393120.

The previous prime is 683939. The next prime is 683957. The reversal of 683943 is 349386.

It is not a de Polignac number, because 683943 - 2² = 683939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9598 + ... + 9668.

It is an arithmetic number, because the mean of its divisors is an integer number (43920).

2⁶⁸³⁹⁴³ is an apocalyptic number.

683943 is a deficient number, since it is larger than the sum of its proper divisors (370137).

683943 is a wasteful number, since it uses less digits than its factorization.

683943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 106 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 683943 is about 827.0084642856. The cubic root of 683943 is about 88.1062336177.

The spelling of 683943 in words is "six hundred eighty-three thousand, nine hundred forty-three".