845683 has 2 divisors, whose sum is σ = 845684. Its totient is φ = 845682.

The previous prime is 845659. The next prime is 845717. The reversal of 845683 is 386548.

It is an a-pointer prime, because the next prime (845717) can be obtained adding 845683 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-845683 is a prime.

It is not a weakly prime, because it can be changed into another prime (845623) 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, 422841 + 422842.

It is an arithmetic number, because the mean of its divisors is an integer number (422842).

2⁸⁴⁵⁶⁸³ is an apocalyptic number.

845683 is a deficient number, since it is larger than the sum of its proper divisors (1).

845683 is an equidigital number, since it uses as much as digits as its factorization.

845683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 845683 is about 919.6102435271. The cubic root of 845683 is about 94.5661845178.

The spelling of 845683 in words is "eight hundred forty-five thousand, six hundred eighty-three".