9640297 has 2 divisors, whose sum is σ = 9640298. Its totient is φ = 9640296.

The previous prime is 9640259. The next prime is 9640303. The reversal of 9640297 is 7920469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6780816 + 2859481 = 2604^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 9640297 - 2¹⁵ = 9607529 is a prime.

It is not a weakly prime, because it can be changed into another prime (9640237) 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, 4820148 + 4820149.

It is an arithmetic number, because the mean of its divisors is an integer number (4820149).

Almost surely, 2^9640297 is an apocalyptic number.

It is an amenable number.

9640297 is a deficient number, since it is larger than the sum of its proper divisors (1).

9640297 is an equidigital number, since it uses as much as digits as its factorization.

9640297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 9640297 is about 3104.8827675131. The cubic root of 9640297 is about 212.8286733863.

The spelling of 9640297 in words is "nine million, six hundred forty thousand, two hundred ninety-seven".