683406 has 12 divisors (see below), whose sum is σ = 1480752. Its totient is φ = 227796.

The previous prime is 683401. The next prime is 683407. The reversal of 683406 is 604386.

It is a self number, because there is not a number n which added to its sum of digits gives 683406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18966 + ... + 19001.

It is an arithmetic number, because the mean of its divisors is an integer number (123396).

2⁶⁸³⁴⁰⁶ is an apocalyptic number.

683406 is an abundant number, since it is smaller than the sum of its proper divisors (797346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

683406 is a wasteful number, since it uses less digits than its factorization.

683406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37975 (or 37972 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 683406 is about 826.6837363829. The cubic root of 683406 is about 88.0831686179.

It can be divided in two parts, 683 and 406, that added together give a square (1089 = 33²).

The spelling of 683406 in words is "six hundred eighty-three thousand, four hundred six".