9640361 has 2 divisors, whose sum is σ = 9640362. Its totient is φ = 9640360.

The previous prime is 9640333. The next prime is 9640363. The reversal of 9640361 is 1630469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5973136 + 3667225 = 2444^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 9640361 - 2⁶ = 9640297 is a prime.

Together with 9640363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9640363) 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, 4820180 + 4820181.

It is an arithmetic number, because the mean of its divisors is an integer number (4820181).

Almost surely, 2^9640361 is an apocalyptic number.

It is an amenable number.

9640361 is a deficient number, since it is larger than the sum of its proper divisors (1).

9640361 is an equidigital number, since it uses as much as digits as its factorization.

9640361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 9640361 is about 3104.8930738433. The cubic root of 9640361 is about 212.8291443609.

It can be divided in two parts, 9640 and 361, that added together give a palindrome (10001).

The spelling of 9640361 in words is "nine million, six hundred forty thousand, three hundred sixty-one".