806843 has 4 divisors (see below), whose sum is σ = 816648. Its totient is φ = 797040.

The previous prime is 806821. The next prime is 806857. The reversal of 806843 is 348608.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 806843 - 2¹⁴ = 790459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4778 + ... + 4943.

It is an arithmetic number, because the mean of its divisors is an integer number (204162).

2⁸⁰⁶⁸⁴³ is an apocalyptic number.

806843 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

806843 is a deficient number, since it is larger than the sum of its proper divisors (9805).

806843 is an equidigital number, since it uses as much as digits as its factorization.

806843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9804.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 806843 is about 898.2443988136. The cubic root of 806843 is about 93.0957121538.

The spelling of 806843 in words is "eight hundred six thousand, eight hundred forty-three".