9663937 has 2 divisors, whose sum is σ = 9663938. Its totient is φ = 9663936.

The previous prime is 9663923. The next prime is 9663961. The reversal of 9663937 is 7393669.

It is a happy number.

9663937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9511056 + 152881 = 3084^2 + 391^2 .

It is a cyclic number.

It is not a de Polignac number, because 9663937 - 2¹¹ = 9661889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9663893 and 9663902.

It is not a weakly prime, because it can be changed into another prime (9663917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4831968 + 4831969.

It is an arithmetic number, because the mean of its divisors is an integer number (4831969).

Almost surely, 2^9663937 is an apocalyptic number.

It is an amenable number.

9663937 is a deficient number, since it is larger than the sum of its proper divisors (1).

9663937 is an equidigital number, since it uses as much as digits as its factorization.

9663937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708, while the sum is 43.

The square root of 9663937 is about 3108.6873435584. The cubic root of 9663937 is about 213.0024980053.

The spelling of 9663937 in words is "nine million, six hundred sixty-three thousand, nine hundred thirty-seven".