9839512852 has 12 divisors (see below), whose sum is σ = 18543697396. Its totient is φ = 4541313600.

The previous prime is 9839512847. The next prime is 9839512889. The reversal of 9839512852 is 2582159389.

It can be written as a sum of positive squares in 2 ways, for example, as 2485421316 + 7354091536 = 49854^2 + 85756^2 .

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 189221401 = 9839512852 / (9 + 8 + 3 + 9 + 5 + 1 + 2 + 8 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 9839512852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94610649 + ... + 94610752.

Almost surely, 2^9839512852 is an apocalyptic number.

It is an amenable number.

9839512852 is a deficient number, since it is larger than the sum of its proper divisors (8704184544).

9839512852 is a wasteful number, since it uses less digits than its factorization.

9839512852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189221418 (or 189221416 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 52.

The square root of 9839512852 is about 99194.3186477935. The cubic root of 9839512852 is about 2142.8471762999.

The spelling of 9839512852 in words is "nine billion, eight hundred thirty-nine million, five hundred twelve thousand, eight hundred fifty-two".