845899 has 6 divisors (see below), whose sum is σ = 894660. Its totient is φ = 797580.

The previous prime is 845893. The next prime is 845909. The reversal of 845899 is 998548.

It is a happy number.

845899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 845899 - 2⁷ = 845771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3904 + ... + 4114.

It is an arithmetic number, because the mean of its divisors is an integer number (149110).

2⁸⁴⁵⁸⁹⁹ is an apocalyptic number.

845899 is a deficient number, since it is larger than the sum of its proper divisors (48761).

845899 is an equidigital number, since it uses as much as digits as its factorization.

845899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 230 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 845899 is about 919.7276770871. The cubic root of 845899 is about 94.5742350351.

The spelling of 845899 in words is "eight hundred forty-five thousand, eight hundred ninety-nine".