849239712 has 72 divisors (see below), whose sum is σ = 2498326740. Its totient is φ = 273315840.

The previous prime is 849239711. The next prime is 849239717. The reversal of 849239712 is 217932948.

849239712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 845413776 + 3825936 = 29076^2 + 1956^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (849239711) 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, 42489 + ... + 59192.

Almost surely, 2^849239712 is an apocalyptic number.

It is an amenable number.

849239712 is an abundant number, since it is smaller than the sum of its proper divisors (1649087028).

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

849239712 is a wasteful number, since it uses less digits than its factorization.

849239712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101726 (or 101715 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 849239712 is about 29141.7177256249. The cubic root of 849239712 is about 946.9857228689.

The spelling of 849239712 in words is "eight hundred forty-nine million, two hundred thirty-nine thousand, seven hundred twelve".