9984563 has 2 divisors, whose sum is σ = 9984564. Its totient is φ = 9984562.

The previous prime is 9984521. The next prime is 9984577. The reversal of 9984563 is 3654899.

9984563 is nontrivially palindromic in base 6.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9984563 - 2²⁰ = 8935987 is a prime.

It is not a weakly prime, because it can be changed into another prime (9986563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4992281 + 4992282.

It is an arithmetic number, because the mean of its divisors is an integer number (4992282).

Almost surely, 2^9984563 is an apocalyptic number.

9984563 is a deficient number, since it is larger than the sum of its proper divisors (1).

9984563 is an equidigital number, since it uses as much as digits as its factorization.

9984563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The square root of 9984563 is about 3159.8359134613. The cubic root of 9984563 is about 215.3325518816.

The spelling of 9984563 in words is "nine million, nine hundred eighty-four thousand, five hundred sixty-three".