9996000397 has 2 divisors, whose sum is σ = 9996000398. Its totient is φ = 9996000396.

The previous prime is 9996000389. The next prime is 9996000403. The reversal of 9996000397 is 7930006999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6579480996 + 3416519401 = 81114^2 + 58451^2 .

It is a cyclic number.

It is not a de Polignac number, because 9996000397 - 2³ = 9996000389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9996000347) 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, 4998000198 + 4998000199.

It is an arithmetic number, because the mean of its divisors is an integer number (4998000199).

Almost surely, 2^9996000397 is an apocalyptic number.

It is an amenable number.

9996000397 is a deficient number, since it is larger than the sum of its proper divisors (1).

9996000397 is an equidigital number, since it uses as much as digits as its factorization.

9996000397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 9996000397 is about 99979.9999849970. Note that the first 4 decimals coincide. The cubic root of 9996000397 is about 2154.1474222816.

The spelling of 9996000397 in words is "nine billion, nine hundred ninety-six million, three hundred ninety-seven", and thus it is an aban number.