849684218 has 32 divisors (see below), whose sum is σ = 1374796800. Its totient is φ = 392643504.

The previous prime is 849684217. The next prime is 849684221. The reversal of 849684218 is 812486948.

It is not an unprimeable number, because it can be changed into a prime (849684211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270863 + ... + 273981.

It is an arithmetic number, because the mean of its divisors is an integer number (42962400).

Almost surely, 2^849684218 is an apocalyptic number.

849684218 is a deficient number, since it is larger than the sum of its proper divisors (525112582).

849684218 is a wasteful number, since it uses less digits than its factorization.

849684218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314.

The product of its digits is 884736, while the sum is 50.

The square root of 849684218 is about 29149.3433545252. The cubic root of 849684218 is about 947.1509166725.

The spelling of 849684218 in words is "eight hundred forty-nine million, six hundred eighty-four thousand, two hundred eighteen".