806866204 has 12 divisors (see below), whose sum is σ = 1422795528. Its totient is φ = 400353200.

The previous prime is 806866201. The next prime is 806866213. The reversal of 806866204 is 402668608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806866201) 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, 769387 + ... + 770434.

It is an arithmetic number, because the mean of its divisors is an integer number (118566294).

Almost surely, 2^806866204 is an apocalyptic number.

It is an amenable number.

806866204 is a deficient number, since it is larger than the sum of its proper divisors (615929324).

806866204 is a wasteful number, since it uses less digits than its factorization.

806866204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539956 (or 1539954 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 806866204 is about 28405.3904039357. The cubic root of 806866204 is about 930.9660459189.

The spelling of 806866204 in words is "eight hundred six million, eight hundred sixty-six thousand, two hundred four".