9928843 has 2 divisors, whose sum is σ = 9928844. Its totient is φ = 9928842.

The previous prime is 9928813. The next prime is 9928859. The reversal of 9928843 is 3488299.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9928843 - 2¹⁷ = 9797771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9928843.

It is not a weakly prime, because it can be changed into another prime (9928813) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4964421 + 4964422.

It is an arithmetic number, because the mean of its divisors is an integer number (4964422).

Almost surely, 2^9928843 is an apocalyptic number.

9928843 is a deficient number, since it is larger than the sum of its proper divisors (1).

9928843 is an equidigital number, since it uses as much as digits as its factorization.

9928843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 9928843 is about 3151.0066645439. The cubic root of 9928843 is about 214.9312417592.

The spelling of 9928843 in words is "nine million, nine hundred twenty-eight thousand, eight hundred forty-three".