683911 has 2 divisors, whose sum is σ = 683912. Its totient is φ = 683910.

The previous prime is 683909. The next prime is 683923. The reversal of 683911 is 119386.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683911 - 2¹ = 683909 is a prime.

Together with 683909, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 683911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (686911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341955 + 341956.

It is an arithmetic number, because the mean of its divisors is an integer number (341956).

2⁶⁸³⁹¹¹ is an apocalyptic number.

683911 is a deficient number, since it is larger than the sum of its proper divisors (1).

683911 is an equidigital number, since it uses as much as digits as its factorization.

683911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 683911 is about 826.9891172198. The cubic root of 683911 is about 88.1048595055.

The spelling of 683911 in words is "six hundred eighty-three thousand, nine hundred eleven".