9999299 has 2 divisors, whose sum is σ = 9999300.
Its totient is φ = 9999298.
The previous prime is 9999289. The next prime is 9999317. The reversal of 9999299 is 9929999.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (9929999) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-9999299 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (9999289) 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, 4999649 + 4999650.
It is an arithmetic number, because the mean of its divisors is an integer number (4999650).
Almost surely, 29999299 is an apocalyptic number.
9999299 is a deficient number, since it is larger than the sum of its proper divisors (1).
9999299 is an equidigital number, since it uses as much as digits as its factorization.
9999299 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1062882, while the sum is 56.
The square root of 9999299 is about 3162.1668203939.
The cubic root of 9999299 is about 215.4384346898.
The spelling of 9999299 in words is "nine million, nine hundred ninety-nine thousand, two hundred ninety-nine".