800873 has 2 divisors, whose sum is σ = 800874. Its totient is φ = 800872.

The previous prime is 800861. The next prime is 800879. The reversal of 800873 is 378008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 375769 = 652^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 800873 - 2¹² = 796777 is a prime.

It is not a weakly prime, because it can be changed into another prime (800879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400436 + 400437.

It is an arithmetic number, because the mean of its divisors is an integer number (400437).

2⁸⁰⁰⁸⁷³ is an apocalyptic number.

It is an amenable number.

800873 is a deficient number, since it is larger than the sum of its proper divisors (1).

800873 is an equidigital number, since it uses as much as digits as its factorization.

800873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 800873 is about 894.9150797701. The cubic root of 800873 is about 92.8655319555.

The spelling of 800873 in words is "eight hundred thousand, eight hundred seventy-three".