849066912 has 72 divisors (see below), whose sum is σ = 2425088484. Its totient is φ = 281785344.

The previous prime is 849066893. The next prime is 849066917. The reversal of 849066912 is 219660948.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 639280656 + 209786256 = 25284^2 + 14484^2 .

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

It is a super-3 number, since 3×849066912³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (849066917) 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, 60778 + ... + 73430.

Almost surely, 2^849066912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849066912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212544242).

849066912 is an abundant number, since it is smaller than the sum of its proper divisors (1576021572).

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

849066912 is a wasteful number, since it uses less digits than its factorization.

849066912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12902 (or 12891 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 849066912 is about 29138.7527529920. The cubic root of 849066912 is about 946.9214888523.

The spelling of 849066912 in words is "eight hundred forty-nine million, sixty-six thousand, nine hundred twelve".