9928842 has 32 divisors (see below), whose sum is σ = 24758784. Its totient is φ = 2578800.

The previous prime is 9928813. The next prime is 9928843. The reversal of 9928842 is 2488299.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 9928794 and 9928803.

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 15 ways as a sum of consecutive naturals, for example, 10284 + ... + 11207.

It is an arithmetic number, because the mean of its divisors is an integer number (773712).

Almost surely, 2^9928842 is an apocalyptic number.

9928842 is an abundant number, since it is smaller than the sum of its proper divisors (14829942).

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

9928842 is a wasteful number, since it uses less digits than its factorization.

9928842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21514.

The product of its digits is 82944, while the sum is 42.

The square root of 9928842 is about 3151.0065058644. The cubic root of 9928842 is about 214.9312345435.

The spelling of 9928842 in words is "nine million, nine hundred twenty-eight thousand, eight hundred forty-two".