800870 has 32 divisors (see below), whose sum is σ = 1747008. Its totient is φ = 258048.

The previous prime is 800861. The next prime is 800873. The reversal of 800870 is 78008.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (54594).

2⁸⁰⁰⁸⁷⁰ is an apocalyptic number.

800870 is an abundant number, since it is smaller than the sum of its proper divisors (946138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800870 is a wasteful number, since it uses less digits than its factorization.

800870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 800870 is about 894.9134036319. The cubic root of 800870 is about 92.8654160000.

Adding to 800870 its reverse (78008), we get a palindrome (878878).

The spelling of 800870 in words is "eight hundred thousand, eight hundred seventy".