9996000399 has 192 divisors, whose sum is σ = 19748736000. Its totient is φ = 4852742400.

The previous prime is 9996000397. The next prime is 9996000403. The reversal of 9996000399 is 9930006999.

It is a Cunningham number, because it is equal to 99980²-1.

It is not a de Polignac number, because 9996000399 - 2¹ = 9996000397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996000397) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 67087177 + ... + 67087325.

It is an arithmetic number, because the mean of its divisors is an integer number (102858000).

Almost surely, 2^9996000399 is an apocalyptic number.

9996000399 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9996000399 is a deficient number, since it is larger than the sum of its proper divisors (9752735601).

9996000399 is a wasteful number, since it uses less digits than its factorization.

9996000399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 54.

The square root of 9996000399 is about 99979.9999949990. Note that the first 5 decimals coincide. The cubic root of 9996000399 is about 2154.1474224253.

The spelling of 9996000399 in words is "nine billion, nine hundred ninety-six million, three hundred ninety-nine", and thus it is an aban number.