9929976 has 32 divisors (see below), whose sum is σ = 28371840. Its totient is φ = 2837088.

The previous prime is 9929939. The next prime is 9929981. The reversal of 9929976 is 6799299.

9929976 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29386 + ... + 29721.

It is an arithmetic number, because the mean of its divisors is an integer number (886620).

Almost surely, 2^9929976 is an apocalyptic number.

It is an amenable number.

9929976 is an abundant number, since it is smaller than the sum of its proper divisors (18441864).

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

9929976 is a wasteful number, since it uses less digits than its factorization.

9929976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59123 (or 59119 counting only the distinct ones).

The product of its digits is 551124, while the sum is 51.

The square root of 9929976 is about 3151.1864432305. The cubic root of 9929976 is about 214.9394168586.

The spelling of 9929976 in words is "nine million, nine hundred twenty-nine thousand, nine hundred seventy-six".