800889 has 8 divisors (see below), whose sum is σ = 1073280. Its totient is φ = 531216.

The previous prime is 800879. The next prime is 800897. The reversal of 800889 is 988008.

800889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 800889 - 2⁴ = 800873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (800879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (134160).

2⁸⁰⁰⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

800889 is a deficient number, since it is larger than the sum of its proper divisors (272391).

800889 is a wasteful number, since it uses less digits than its factorization.

800889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 800889 is about 894.9240191212. The cubic root of 800889 is about 92.8661503801.

The spelling of 800889 in words is "eight hundred thousand, eight hundred eighty-nine".