683439 has 8 divisors (see below), whose sum is σ = 915120. Its totient is φ = 453696.

The previous prime is 683437. The next prime is 683447. The reversal of 683439 is 934386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 683439 - 2¹ = 683437 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

683439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683437) 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 7 ways as a sum of consecutive naturals, for example, 949 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (114390).

2⁶⁸³⁴³⁹ is an apocalyptic number.

683439 is a deficient number, since it is larger than the sum of its proper divisors (231681).

683439 is a wasteful number, since it uses less digits than its factorization.

683439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

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

The square root of 683439 is about 826.7036954072. The cubic root of 683439 is about 88.0845863685.

The spelling of 683439 in words is "six hundred eighty-three thousand, four hundred thirty-nine".