683863 has 2 divisors, whose sum is σ = 683864. Its totient is φ = 683862.

The previous prime is 683861. The next prime is 683873. The reversal of 683863 is 368386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683863 - 2¹ = 683861 is a prime.

Together with 683861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683861) 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 as a sum of consecutive naturals, namely, 341931 + 341932.

It is an arithmetic number, because the mean of its divisors is an integer number (341932).

2⁶⁸³⁸⁶³ is an apocalyptic number.

683863 is a deficient number, since it is larger than the sum of its proper divisors (1).

683863 is an equidigital number, since it uses as much as digits as its factorization.

683863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 683863 is about 826.9600957725. The cubic root of 683863 is about 88.1027982567.

The spelling of 683863 in words is "six hundred eighty-three thousand, eight hundred sixty-three".