999968296 has 8 divisors (see below), whose sum is σ = 1874940570. Its totient is φ = 499984144.

The previous prime is 999968279. The next prime is 999968297. The reversal of 999968296 is 692869999.

999968296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 994140900 + 5827396 = 31530^2 + 2414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (999968297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62498011 + ... + 62498026.

Almost surely, 2^999968296 is an apocalyptic number.

It is an amenable number.

999968296 is a deficient number, since it is larger than the sum of its proper divisors (874972274).

999968296 is a wasteful number, since it uses less digits than its factorization.

999968296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124996043 (or 124996039 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 67.

The square root of 999968296 is about 31622.2753134559. The cubic root of 999968296 is about 999.9894318883.

The spelling of 999968296 in words is "nine hundred ninety-nine million, nine hundred sixty-eight thousand, two hundred ninety-six".