800869 has 8 divisors (see below), whose sum is σ = 858080. Its totient is φ = 745200.

The previous prime is 800861. The next prime is 800873. The reversal of 800869 is 968008.

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

It is a cyclic number.

It is not a de Polignac number, because 800869 - 2³ = 800861 is a prime.

It is a super-2 number, since 2×800869² = 1282782310322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 800869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800861) 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, 814 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (107260).

2⁸⁰⁰⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

800869 is a deficient number, since it is larger than the sum of its proper divisors (57211).

800869 is a wasteful number, since it uses less digits than its factorization.

800869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 800869 is about 894.9128449184. The cubic root of 800869 is about 92.8653773481.

The spelling of 800869 in words is "eight hundred thousand, eight hundred sixty-nine".