849818000 has 40 divisors (see below), whose sum is σ = 2054864760. Its totient is φ = 339926400.

The previous prime is 849817999. The next prime is 849818033. The reversal of 849818000 is 818948.

It can be written as a sum of positive squares in 4 ways, for example, as 12988816 + 836829184 = 3604^2 + 28928^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 210455 + ... + 214454.

It is an arithmetic number, because the mean of its divisors is an integer number (51371619).

Almost surely, 2^849818000 is an apocalyptic number.

849818000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

849818000 is an abundant number, since it is smaller than the sum of its proper divisors (1205046760).

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

849818000 is a wasteful number, since it uses less digits than its factorization.

849818000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424932 (or 424916 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 849818000 is about 29151.6380328790. The cubic root of 849818000 is about 947.2006234112.

The spelling of 849818000 in words is "eight hundred forty-nine million, eight hundred eighteen thousand".