9896659 has 2 divisors, whose sum is σ = 9896660. Its totient is φ = 9896658.

The previous prime is 9896641. The next prime is 9896681. The reversal of 9896659 is 9566989.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9896659 - 2⁹ = 9896147 is a prime.

It is not a weakly prime, because it can be changed into another prime (9896629) 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, 4948329 + 4948330.

It is an arithmetic number, because the mean of its divisors is an integer number (4948330).

Almost surely, 2^9896659 is an apocalyptic number.

9896659 is a deficient number, since it is larger than the sum of its proper divisors (1).

9896659 is an equidigital number, since it uses as much as digits as its factorization.

9896659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 52.

The square root of 9896659 is about 3145.8955799581. The cubic root of 9896659 is about 214.6987596635.

The spelling of 9896659 in words is "nine million, eight hundred ninety-six thousand, six hundred fifty-nine".