999996383 has 2 divisors, whose sum is σ = 999996384. Its totient is φ = 999996382.

The previous prime is 999996359. The next prime is 999996407. The reversal of 999996383 is 383699999.

It is a balanced prime because it is at equal distance from previous prime (999996359) and next prime (999996407).

It is an emirp because it is prime and its reverse (383699999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999996383 - 2²² = 995802079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999996983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499998191 + 499998192.

It is an arithmetic number, because the mean of its divisors is an integer number (499998192).

Almost surely, 2^999996383 is an apocalyptic number.

999996383 is a deficient number, since it is larger than the sum of its proper divisors (1).

999996383 is an equidigital number, since it uses as much as digits as its factorization.

999996383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25509168, while the sum is 65.

The square root of 999996383 is about 31622.7194118406. The cubic root of 999996383 is about 999.9987943319.

The spelling of 999996383 in words is "nine hundred ninety-nine million, nine hundred ninety-six thousand, three hundred eighty-three".