9984827 has 2 divisors, whose sum is σ = 9984828. Its totient is φ = 9984826.

The previous prime is 9984811. The next prime is 9984833. The reversal of 9984827 is 7284899.

9984827 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (7284899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9984827 - 2⁴ = 9984811 is a prime.

It is a d-powerful number, because it can be written as 9³ + 9⁴ + 8⁷ + 4⁷ + 8⁷ + 2¹¹ + 7⁸ .

It is not a weakly prime, because it can be changed into another prime (9987827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4992413 + 4992414.

It is an arithmetic number, because the mean of its divisors is an integer number (4992414).

Almost surely, 2^9984827 is an apocalyptic number.

9984827 is a deficient number, since it is larger than the sum of its proper divisors (1).

9984827 is an equidigital number, since it uses as much as digits as its factorization.

9984827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 9984827 is about 3159.8776875063. The cubic root of 9984827 is about 215.3344497211.

The spelling of 9984827 in words is "nine million, nine hundred eighty-four thousand, eight hundred twenty-seven".