849511922 has 12 divisors (see below), whose sum is σ = 1482311790. Its totient is φ = 364076496.

The previous prime is 849511921. The next prime is 849511933. The reversal of 849511922 is 229115948.

It can be written as a sum of positive squares in only one way, i.e., 742617001 + 106894921 = 27251^2 + 10339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 849511922.

It is not an unprimeable number, because it can be changed into a prime (849511921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4334147 + ... + 4334342.

Almost surely, 2^849511922 is an apocalyptic number.

849511922 is a deficient number, since it is larger than the sum of its proper divisors (632799868).

849511922 is a wasteful number, since it uses less digits than its factorization.

849511922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8668505 (or 8668498 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 849511922 is about 29146.3878036370. The cubic root of 849511922 is about 947.0868923591.

The spelling of 849511922 in words is "eight hundred forty-nine million, five hundred eleven thousand, nine hundred twenty-two".