999964068 has 12 divisors (see below), whose sum is σ = 2333249520. Its totient is φ = 333321352.

The previous prime is 999964027. The next prime is 999964093. The reversal of 999964068 is 860469999.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×999964068² = 1999856274582217248, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41665158 + ... + 41665181.

It is an arithmetic number, because the mean of its divisors is an integer number (194437460).

Almost surely, 2^999964068 is an apocalyptic number.

It is an amenable number.

999964068 is an abundant number, since it is smaller than the sum of its proper divisors (1333285452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999964068 is a wasteful number, since it uses less digits than its factorization.

999964068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83330346 (or 83330344 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 60.

The square root of 999964068 is about 31622.2084617757. The cubic root of 999964068 is about 999.9880225232.

The spelling of 999964068 in words is "nine hundred ninety-nine million, nine hundred sixty-four thousand, sixty-eight".