804904868 has 6 divisors (see below), whose sum is σ = 1408583526. Its totient is φ = 402452432.

The previous prime is 804904861. The next prime is 804904871. The reversal of 804904868 is 868409408.

It can be written as a sum of positive squares in only one way, i.e., 761318464 + 43586404 = 27592^2 + 6602^2 .

It is not an unprimeable number, because it can be changed into a prime (804904861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100613105 + ... + 100613112.

It is an arithmetic number, because the mean of its divisors is an integer number (234763921).

Almost surely, 2^804904868 is an apocalyptic number.

It is an amenable number.

804904868 is a deficient number, since it is larger than the sum of its proper divisors (603678658).

804904868 is a wasteful number, since it uses less digits than its factorization.

804904868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201226221 (or 201226219 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 804904868 is about 28370.8453874748. The cubic root of 804904868 is about 930.2111009589.

It can be divided in two parts, 80490 and 4868, that added together give a palindrome (85358).

The spelling of 804904868 in words is "eight hundred four million, nine hundred four thousand, eight hundred sixty-eight".