805966806 has 8 divisors (see below), whose sum is σ = 1611933624. Its totient is φ = 268655600.

The previous prime is 805966801. The next prime is 805966817. The reversal of 805966806 is 608669508.

It is a sphenic number, since it is the product of 3 distinct primes.

805966806 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805966801) 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, 67163895 + ... + 67163906.

It is an arithmetic number, because the mean of its divisors is an integer number (201491703).

Almost surely, 2^805966806 is an apocalyptic number.

805966806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805966806 is a wasteful number, since it uses less digits than its factorization.

805966806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134327806.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 805966806 is about 28389.5545227466. The cubic root of 805966806 is about 930.6200074228.

The spelling of 805966806 in words is "eight hundred five million, nine hundred sixty-six thousand, eight hundred six".