218849996 has 12 divisors (see below), whose sum is σ = 385104720. Its totient is φ = 108820080.

The previous prime is 218849963. The next prime is 218850011. The reversal of 218849996 is 699948812.

It is an unprimeable number.

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, 150416 + ... + 151863.

It is an arithmetic number, because the mean of its divisors is an integer number (32092060).

Almost surely, 2^218849996 is an apocalyptic number.

It is an amenable number.

218849996 is a deficient number, since it is larger than the sum of its proper divisors (166254724).

218849996 is a wasteful number, since it uses less digits than its factorization.

218849996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302464 (or 302462 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The square root of 218849996 is about 14793.5795533062. The cubic root of 218849996 is about 602.6273633284.

The spelling of 218849996 in words is "two hundred eighteen million, eight hundred forty-nine thousand, nine hundred ninety-six".