683789 has 2 divisors, whose sum is σ = 683790. Its totient is φ = 683788.

The previous prime is 683783. The next prime is 683807. The reversal of 683789 is 987386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550564 + 133225 = 742^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 683789 - 2¹⁶ = 618253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683783) 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 as a sum of consecutive naturals, namely, 341894 + 341895.

It is an arithmetic number, because the mean of its divisors is an integer number (341895).

2⁶⁸³⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

683789 is a deficient number, since it is larger than the sum of its proper divisors (1).

683789 is an equidigital number, since it uses as much as digits as its factorization.

683789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 683789 is about 826.9153523789. The cubic root of 683789 is about 88.0996203091.

The spelling of 683789 in words is "six hundred eighty-three thousand, seven hundred eighty-nine".