9665407 has 2 divisors, whose sum is σ = 9665408. Its totient is φ = 9665406.

The previous prime is 9665393. The next prime is 9665423. The reversal of 9665407 is 7045669.

It is a weak prime.

It is an emirp because it is prime and its reverse (7045669) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9665407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9665437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832703 + 4832704.

It is an arithmetic number, because the mean of its divisors is an integer number (4832704).

Almost surely, 2^9665407 is an apocalyptic number.

9665407 is a deficient number, since it is larger than the sum of its proper divisors (1).

9665407 is an equidigital number, since it uses as much as digits as its factorization.

9665407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 9665407 is about 3108.9237687663. The cubic root of 9665407 is about 213.0132975307.

The spelling of 9665407 in words is "nine million, six hundred sixty-five thousand, four hundred seven".