805800 has 96 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 199680.

The previous prime is 805799. The next prime is 805807. The reversal of 805800 is 8508.

It is a super-3 number, since 3×805800³ = 1569650793336000000, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (805807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10161 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (27900).

2⁸⁰⁵⁸⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339200).

805800 is an abundant number, since it is smaller than the sum of its proper divisors (1872600).

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

805800 is a wasteful number, since it uses less digits than its factorization.

805800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 805800 is about 897.6636341080. The cubic root of 805800 is about 93.0555801424.

The spelling of 805800 in words is "eight hundred five thousand, eight hundred".