845863 has 2 divisors, whose sum is σ = 845864. Its totient is φ = 845862.

The previous prime is 845849. The next prime is 845879. The reversal of 845863 is 368548.

845863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-845863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (845833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422931 + 422932.

It is an arithmetic number, because the mean of its divisors is an integer number (422932).

2⁸⁴⁵⁸⁶³ is an apocalyptic number.

845863 is a deficient number, since it is larger than the sum of its proper divisors (1).

845863 is an equidigital number, since it uses as much as digits as its factorization.

845863 is an evil number, because the sum of its binary digits is even.

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

The square root of 845863 is about 919.7081058684. The cubic root of 845863 is about 94.5728933774.

The spelling of 845863 in words is "eight hundred forty-five thousand, eight hundred sixty-three".