9688663 has 2 divisors, whose sum is σ = 9688664. Its totient is φ = 9688662.

The previous prime is 9688649. The next prime is 9688687. The reversal of 9688663 is 3668869.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3668869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9688663 - 2¹³ = 9680471 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9688463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4844331 + 4844332.

It is an arithmetic number, because the mean of its divisors is an integer number (4844332).

Almost surely, 2^9688663 is an apocalyptic number.

9688663 is a deficient number, since it is larger than the sum of its proper divisors (1).

9688663 is an equidigital number, since it uses as much as digits as its factorization.

9688663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 9688663 is about 3112.6617227061. The cubic root of 9688663 is about 213.1840049272.

It can be divided in two parts, 968866 and 3, that added together give a palindrome (968869).

The spelling of 9688663 in words is "nine million, six hundred eighty-eight thousand, six hundred sixty-three".