9928844 has 12 divisors (see below), whose sum is σ = 17745504. Its totient is φ = 4858704.

The previous prime is 9928843. The next prime is 9928859. The reversal of 9928844 is 4488299.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9928795 and 9928804.

It is not an unprimeable number, because it can be changed into a prime (9928843) 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, 26219 + ... + 26594.

It is an arithmetic number, because the mean of its divisors is an integer number (1478792).

Almost surely, 2^9928844 is an apocalyptic number.

9928844 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

9928844 is a deficient number, since it is larger than the sum of its proper divisors (7816660).

9928844 is a wasteful number, since it uses less digits than its factorization.

9928844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52864 (or 52862 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 9928844 is about 3151.0068232233. The cubic root of 9928844 is about 214.9312489750.

The spelling of 9928844 in words is "nine million, nine hundred twenty-eight thousand, eight hundred forty-four".