9996823 has 2 divisors, whose sum is σ = 9996824. Its totient is φ = 9996822.

The previous prime is 9996817. The next prime is 9996829. The reversal of 9996823 is 3286999.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9996817) and next prime (9996829).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9996823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9996829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998411 + 4998412.

It is an arithmetic number, because the mean of its divisors is an integer number (4998412).

Almost surely, 2^9996823 is an apocalyptic number.

9996823 is a deficient number, since it is larger than the sum of its proper divisors (1).

9996823 is an equidigital number, since it uses as much as digits as its factorization.

9996823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 46.

The square root of 9996823 is about 3161.7752924583. The cubic root of 9996823 is about 215.4206511232.

The spelling of 9996823 in words is "nine million, nine hundred ninety-six thousand, eight hundred twenty-three".