9924904856 has 16 divisors (see below), whose sum is σ = 18720631440. Its totient is φ = 4932736480.

The previous prime is 9924904841. The next prime is 9924904859. The reversal of 9924904856 is 6584094299.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9924904859) 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, 3713075 + ... + 3715746.

It is an arithmetic number, because the mean of its divisors is an integer number (1170039465).

Almost surely, 2^9924904856 is an apocalyptic number.

It is an amenable number.

9924904856 is a deficient number, since it is larger than the sum of its proper divisors (8795726584).

9924904856 is a wasteful number, since it uses less digits than its factorization.

9924904856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428994 (or 7428990 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The square root of 9924904856 is about 99623.8167106641. The cubic root of 9924904856 is about 2149.0282145846.

The spelling of 9924904856 in words is "nine billion, nine hundred twenty-four million, nine hundred four thousand, eight hundred fifty-six".