9646261 has 2 divisors, whose sum is σ = 9646262. Its totient is φ = 9646260.

The previous prime is 9646249. The next prime is 9646271. The reversal of 9646261 is 1626469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 2193361 = 2730^2 + 1481^2 .

It is a cyclic number.

It is not a de Polignac number, because 9646261 - 2⁵ = 9646229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9646201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4823130 + 4823131.

It is an arithmetic number, because the mean of its divisors is an integer number (4823131).

Almost surely, 2^9646261 is an apocalyptic number.

It is an amenable number.

9646261 is a deficient number, since it is larger than the sum of its proper divisors (1).

9646261 is an equidigital number, since it uses as much as digits as its factorization.

9646261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 9646261 is about 3105.8430417521. The cubic root of 9646261 is about 212.8725533810.

It can be divided in two parts, 964 and 6261, that added together give a square (7225 = 85²).

The spelling of 9646261 in words is "nine million, six hundred forty-six thousand, two hundred sixty-one".