9935663 has 2 divisors, whose sum is σ = 9935664. Its totient is φ = 9935662.

The previous prime is 9935657. The next prime is 9935671. The reversal of 9935663 is 3665399.

It is a weak prime.

It is an emirp because it is prime and its reverse (3665399) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9935663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9935663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9935063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4967831 + 4967832.

It is an arithmetic number, because the mean of its divisors is an integer number (4967832).

Almost surely, 2^9935663 is an apocalyptic number.

9935663 is a deficient number, since it is larger than the sum of its proper divisors (1).

9935663 is an equidigital number, since it uses as much as digits as its factorization.

9935663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 41.

The square root of 9935663 is about 3152.0886726106. The cubic root of 9935663 is about 214.9804417038.

The spelling of 9935663 in words is "nine million, nine hundred thirty-five thousand, six hundred sixty-three".