800199 has 24 divisors (see below), whose sum is σ = 1244880. Its totient is φ = 513216.

The previous prime is 800171. The next prime is 800209. The reversal of 800199 is 991008.

It is not a de Polignac number, because 800199 - 2¹¹ = 798151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8947 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (51870).

2⁸⁰⁰¹⁹⁹ is an apocalyptic number.

800199 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

800199 is a deficient number, since it is larger than the sum of its proper divisors (444681).

800199 is an equidigital number, since it uses as much as digits as its factorization.

800199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 800199 is about 894.5384284646. The cubic root of 800199 is about 92.8394733356.

It can be divided in two parts, 8001 and 99, that added together give a square (8100 = 90²).

The spelling of 800199 in words is "eight hundred thousand, one hundred ninety-nine".