996009239 has 2 divisors, whose sum is σ = 996009240. Its totient is φ = 996009238.

The previous prime is 996009221. The next prime is 996009247. The reversal of 996009239 is 932900699.

It is a strong prime.

It is an emirp because it is prime and its reverse (932900699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996009239 - 2²⁰ = 994960663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 996009193 and 996009202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996005239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498004619 + 498004620.

It is an arithmetic number, because the mean of its divisors is an integer number (498004620).

Almost surely, 2^996009239 is an apocalyptic number.

996009239 is a deficient number, since it is larger than the sum of its proper divisors (1).

996009239 is an equidigital number, since it uses as much as digits as its factorization.

996009239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 996009239 is about 31559.6140502383. The cubic root of 996009239 is about 998.6679728247.

The spelling of 996009239 in words is "nine hundred ninety-six million, nine thousand, two hundred thirty-nine".