9789849796 has 12 divisors (see below), whose sum is σ = 17133312700. Its totient is φ = 4894617600.

The previous prime is 9789849781. The next prime is 9789849799. The reversal of 9789849796 is 6979489879.

It can be written as a sum of positive squares in 2 ways, for example, as 5896089796 + 3893760000 = 76786^2 + 62400^2 .

It is not an unprimeable number, because it can be changed into a prime (9789849799) 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, 4396 + ... + 139996.

Almost surely, 2^9789849796 is an apocalyptic number.

It is an amenable number.

9789849796 is a deficient number, since it is larger than the sum of its proper divisors (7343462904).

9789849796 is a wasteful number, since it uses less digits than its factorization.

9789849796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153654 (or 153652 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 76.

The square root of 9789849796 is about 98943.6698126767. The cubic root of 9789849796 is about 2139.2358901826.

The spelling of 9789849796 in words is "nine billion, seven hundred eighty-nine million, eight hundred forty-nine thousand, seven hundred ninety-six".