9633961 has 2 divisors, whose sum is σ = 9633962. Its totient is φ = 9633960.

The previous prime is 9633937. The next prime is 9633973. The reversal of 9633961 is 1693369.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7290000 + 2343961 = 2700^2 + 1531^2 .

It is a cyclic number.

It is not a de Polignac number, because 9633961 - 2⁵ = 9633929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9633961.

It is not a weakly prime, because it can be changed into another prime (9633661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4816980 + 4816981.

It is an arithmetic number, because the mean of its divisors is an integer number (4816981).

Almost surely, 2^9633961 is an apocalyptic number.

It is an amenable number.

9633961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9633961 is an equidigital number, since it uses as much as digits as its factorization.

9633961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 37.

The square root of 9633961 is about 3103.8622714289. The cubic root of 9633961 is about 212.7820365794.

The spelling of 9633961 in words is "nine million, six hundred thirty-three thousand, nine hundred sixty-one".