9659963 has 2 divisors, whose sum is σ = 9659964. Its totient is φ = 9659962.

The previous prime is 9659959. The next prime is 9659981. The reversal of 9659963 is 3699569.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9659963 - 2² = 9659959 is a prime.

It is a super-2 number, since 2×9659963² = 186629770322738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9659953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4829981 + 4829982.

It is an arithmetic number, because the mean of its divisors is an integer number (4829982).

Almost surely, 2^9659963 is an apocalyptic number.

9659963 is a deficient number, since it is larger than the sum of its proper divisors (1).

9659963 is an equidigital number, since it uses as much as digits as its factorization.

9659963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393660, while the sum is 47.

The square root of 9659963 is about 3108.0481013009. The cubic root of 9659963 is about 212.9732970706.

The spelling of 9659963 in words is "nine million, six hundred fifty-nine thousand, nine hundred sixty-three".