863804204 has 12 divisors (see below), whose sum is σ = 1600578504. Its totient is φ = 406496064.

The previous prime is 863804173. The next prime is 863804209. The reversal of 863804204 is 402408368.

It is not an unprimeable number, because it can be changed into a prime (863804209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6351434 + ... + 6351569.

It is an arithmetic number, because the mean of its divisors is an integer number (133381542).

Almost surely, 2^863804204 is an apocalyptic number.

It is an amenable number.

863804204 is a deficient number, since it is larger than the sum of its proper divisors (736774300).

863804204 is a wasteful number, since it uses less digits than its factorization.

863804204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12703024 (or 12703022 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 863804204 is about 29390.5461670926. The cubic root of 863804204 is about 952.3686797325.

The spelling of 863804204 in words is "eight hundred sixty-three million, eight hundred four thousand, two hundred four".