9928946424 has 96 divisors (see below), whose sum is σ = 26473518720. Its totient is φ = 3102549504.

The previous prime is 9928946399. The next prime is 9928946459. The reversal of 9928946424 is 4246498299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1821447 + ... + 1826889.

It is an arithmetic number, because the mean of its divisors is an integer number (275765820).

Almost surely, 2^9928946424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9928946424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13236759360).

9928946424 is an abundant number, since it is smaller than the sum of its proper divisors (16544572296).

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

9928946424 is a wasteful number, since it uses less digits than its factorization.

9928946424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5728 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The square root of 9928946424 is about 99644.0987916495. The cubic root of 9928946424 is about 2149.3198803523.

The spelling of 9928946424 in words is "nine billion, nine hundred twenty-eight million, nine hundred forty-six thousand, four hundred twenty-four".