818384018 has 8 divisors (see below), whose sum is σ = 1230018048. Its totient is φ = 408378004.

The previous prime is 818384011. The next prime is 818384027. The reversal of 818384018 is 810483818.

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

It is not an unprimeable number, because it can be changed into a prime (818384011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405746 + ... + 407757.

It is an arithmetic number, because the mean of its divisors is an integer number (153752256).

Almost surely, 2^818384018 is an apocalyptic number.

818384018 is a deficient number, since it is larger than the sum of its proper divisors (411634030).

818384018 is a wasteful number, since it uses less digits than its factorization.

818384018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814008.

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 818384018 is about 28607.4119416630. The cubic root of 818384018 is about 935.3749029896.

The spelling of 818384018 in words is "eight hundred eighteen million, three hundred eighty-four thousand, eighteen".