849393018 has 48 divisors (see below), whose sum is σ = 1898198016. Its totient is φ = 274337280.

The previous prime is 849393001. The next prime is 849393019. The reversal of 849393018 is 810393948.

849393018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (849393019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93978 + ... + 102618.

It is an arithmetic number, because the mean of its divisors is an integer number (39545792).

Almost surely, 2^849393018 is an apocalyptic number.

849393018 is an abundant number, since it is smaller than the sum of its proper divisors (1048804998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849393018 is a wasteful number, since it uses less digits than its factorization.

849393018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8819 (or 8816 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 849393018 is about 29144.3479597674. The cubic root of 849393018 is about 947.0427031914.

It can be divided in two parts, 8493930 and 18, that added together give a palindrome (8493948).

The spelling of 849393018 in words is "eight hundred forty-nine million, three hundred ninety-three thousand, eighteen".