849830789 has 4 divisors (see below), whose sum is σ = 850930956. Its totient is φ = 848730624.

The previous prime is 849830777. The next prime is 849830791. The reversal of 849830789 is 987038948.

849830789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506025025 + 343805764 = 22495^2 + 18542^2 .

It is a cyclic number.

It is not a de Polignac number, because 849830789 - 2²⁰ = 848782213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849830719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548924 + ... + 550469.

It is an arithmetic number, because the mean of its divisors is an integer number (212732739).

Almost surely, 2^849830789 is an apocalyptic number.

It is an amenable number.

849830789 is a deficient number, since it is larger than the sum of its proper divisors (1100167).

849830789 is a wasteful number, since it uses less digits than its factorization.

849830789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100166.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 849830789 is about 29151.8573850793. The cubic root of 849830789 is about 947.2053748945.

The spelling of 849830789 in words is "eight hundred forty-nine million, eight hundred thirty thousand, seven hundred eighty-nine".