9938828992 has 28 divisors (see below), whose sum is σ = 19877674240. Its totient is φ = 4930281216.

The previous prime is 9938828981. The next prime is 9938829029. The reversal of 9938828992 is 2998288399.

9938828992 is an admirable 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, 603267 + ... + 619522.

Almost surely, 2^9938828992 is an apocalyptic number.

It is an amenable number.

9938828992 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9938828992 is a wasteful number, since it uses less digits than its factorization.

9938828992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222928 (or 1222918 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 67.

The square root of 9938828992 is about 99693.6757873838. The cubic root of 9938828992 is about 2150.0327373418.

The spelling of 9938828992 in words is "nine billion, nine hundred thirty-eight million, eight hundred twenty-eight thousand, nine hundred ninety-two".