806867 has 4 divisors (see below), whose sum is σ = 834720. Its totient is φ = 779016.

The previous prime is 806857. The next prime is 806893. The reversal of 806867 is 768608.

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 806867 - 2¹⁰ = 805843 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 806867.

It is not an unprimeable number, because it can be changed into a prime (806807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13883 + ... + 13940.

It is an arithmetic number, because the mean of its divisors is an integer number (208680).

2⁸⁰⁶⁸⁶⁷ is an apocalyptic number.

806867 is a deficient number, since it is larger than the sum of its proper divisors (27853).

806867 is a wasteful number, since it uses less digits than its factorization.

806867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27852.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 806867 is about 898.2577581073. The cubic root of 806867 is about 93.0966352062.

The spelling of 806867 in words is "eight hundred six thousand, eight hundred sixty-seven".