996308209 has 8 divisors (see below), whose sum is σ = 1095776640. Its totient is φ = 900101136.

The previous prime is 996308197. The next prime is 996308249. The reversal of 996308209 is 902803699.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 996308209 - 2⁵ = 996308177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996308249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814699 + ... + 815920.

It is an arithmetic number, because the mean of its divisors is an integer number (136972080).

Almost surely, 2^996308209 is an apocalyptic number.

It is an amenable number.

996308209 is a deficient number, since it is larger than the sum of its proper divisors (99468431).

996308209 is a wasteful number, since it uses less digits than its factorization.

996308209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630679.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 996308209 is about 31564.3502863595. The cubic root of 996308209 is about 998.7678855174.

The spelling of 996308209 in words is "nine hundred ninety-six million, three hundred eight thousand, two hundred nine".