800985 has 16 divisors (see below), whose sum is σ = 1302336. Its totient is φ = 420288.

The previous prime is 800977. The next prime is 800993. The reversal of 800985 is 589008.

800985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (800977) and next prime (800993).

It is not a de Polignac number, because 800985 - 2³ = 800977 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607 + ... + 1403.

It is an arithmetic number, because the mean of its divisors is an integer number (81396).

2⁸⁰⁰⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

800985 is a deficient number, since it is larger than the sum of its proper divisors (501351).

800985 is a wasteful number, since it uses less digits than its factorization.

800985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 800985 is about 894.9776533523. The cubic root of 800985 is about 92.8698607545.

The spelling of 800985 in words is "eight hundred thousand, nine hundred eighty-five".