804668318 has 8 divisors (see below), whose sum is σ = 1208664912. Its totient is φ = 401780016.

The previous prime is 804668311. The next prime is 804668321. The reversal of 804668318 is 813866408.

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

It is a super-2 number, since 2×804668318² = 1294982203985898248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804668311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275255 + ... + 278162.

It is an arithmetic number, because the mean of its divisors is an integer number (151083114).

Almost surely, 2^804668318 is an apocalyptic number.

804668318 is a deficient number, since it is larger than the sum of its proper divisors (403996594).

804668318 is a wasteful number, since it uses less digits than its factorization.

804668318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554146.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 804668318 is about 28366.6761887959. The cubic root of 804668318 is about 930.1199667956.

The spelling of 804668318 in words is "eight hundred four million, six hundred sixty-eight thousand, three hundred eighteen".