683390 has 16 divisors (see below), whose sum is σ = 1264032. Its totient is φ = 265824.

The previous prime is 683381. The next prime is 683401. The reversal of 683390 is 93386.

It is a congruent number.

It is an unprimeable number.

683390 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 554 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (79002).

2⁶⁸³³⁹⁰ is an apocalyptic number.

683390 is a deficient number, since it is larger than the sum of its proper divisors (580642).

683390 is a wasteful number, since it uses less digits than its factorization.

683390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 683390 is about 826.6740591067. The cubic root of 683390 is about 88.0824812073.

The spelling of 683390 in words is "six hundred eighty-three thousand, three hundred ninety".