9928424 has 32 divisors (see below), whose sum is σ = 20433600. Its totient is φ = 4485120.

The previous prime is 9928409. The next prime is 9928441. The reversal of 9928424 is 4248299.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 22397 + ... + 22835.

It is an arithmetic number, because the mean of its divisors is an integer number (638550).

Almost surely, 2^9928424 is an apocalyptic number.

It is an amenable number.

9928424 is an abundant number, since it is smaller than the sum of its proper divisors (10505176).

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

9928424 is a wasteful number, since it uses less digits than its factorization.

9928424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 709 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 9928424 is about 3150.9401771535. The cubic root of 9928424 is about 214.9282183302.

The spelling of 9928424 in words is "nine million, nine hundred twenty-eight thousand, four hundred twenty-four".