9816601 has 2 divisors, whose sum is σ = 9816602. Its totient is φ = 9816600.

The previous prime is 9816593. The next prime is 9816613. The reversal of 9816601 is 1066189.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 4618201 = 2280^2 + 2149^2 .

It is a cyclic number.

It is not a de Polignac number, because 9816601 - 2³ = 9816593 is a prime.

9816601 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9816641) 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, 4908300 + 4908301.

It is an arithmetic number, because the mean of its divisors is an integer number (4908301).

Almost surely, 2^9816601 is an apocalyptic number.

It is an amenable number.

9816601 is a deficient number, since it is larger than the sum of its proper divisors (1).

9816601 is an equidigital number, since it uses as much as digits as its factorization.

9816601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 9816601 is about 3133.1455440180. The cubic root of 9816601 is about 214.1182637431.

The spelling of 9816601 in words is "nine million, eight hundred sixteen thousand, six hundred one".