849793889 has 12 divisors (see below), whose sum is σ = 975461376. Its totient is φ = 725202552.

The previous prime is 849793877. The next prime is 849793913. The reversal of 849793889 is 988397948.

849793889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 849793889 - 2¹² = 849789793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (849793859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1509122 + ... + 1509684.

It is an arithmetic number, because the mean of its divisors is an integer number (81288448).

Almost surely, 2^849793889 is an apocalyptic number.

It is an amenable number.

849793889 is a deficient number, since it is larger than the sum of its proper divisors (125667487).

849793889 is an frugal number, since it uses more digits than its factorization.

849793889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 953 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 65.

The square root of 849793889 is about 29151.2244854311. The cubic root of 849793889 is about 947.1916653480.

The spelling of 849793889 in words is "eight hundred forty-nine million, seven hundred ninety-three thousand, eight hundred eighty-nine".