800899 has 6 divisors (see below), whose sum is σ = 880460. Its totient is φ = 727980.

The previous prime is 800897. The next prime is 800903. The reversal of 800899 is 998008.

It is not a de Polignac number, because 800899 - 2¹ = 800897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3189 + ... + 3430.

2⁸⁰⁰⁸⁹⁹ is an apocalyptic number.

800899 is a deficient number, since it is larger than the sum of its proper divisors (79561).

800899 is a wasteful number, since it uses less digits than its factorization.

800899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641 (or 6630 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 800899 is about 894.9296061702. The cubic root of 800899 is about 92.8665368913.

It can be divided in two parts, 80089 and 9, that multiplied together give a square (720801 = 849²).

The spelling of 800899 in words is "eight hundred thousand, eight hundred ninety-nine".