1838339218 has 8 divisors (see below), whose sum is σ = 2777347440. Its totient is φ = 912556740.

The previous prime is 1838339213. The next prime is 1838339227. The reversal of 1838339218 is 8129338381.

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 (1838339213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3306088 + ... + 3306643.

It is an arithmetic number, because the mean of its divisors is an integer number (347168430).

Almost surely, 2^1838339218 is an apocalyptic number.

1838339218 is a deficient number, since it is larger than the sum of its proper divisors (939008222).

1838339218 is a wasteful number, since it uses less digits than its factorization.

1838339218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612872.

The product of its digits is 248832, while the sum is 46.

The square root of 1838339218 is about 42875.8582188159. The cubic root of 1838339218 is about 1225.0163469705.

It can be divided in two parts, 1838 and 339218, that added together give a square (341056 = 584²).

The spelling of 1838339218 in words is "one billion, eight hundred thirty-eight million, three hundred thirty-nine thousand, two hundred eighteen".