9885647 has 2 divisors, whose sum is σ = 9885648. Its totient is φ = 9885646.

The previous prime is 9885637. The next prime is 9885727. The reversal of 9885647 is 7465889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9885647 - 2⁶ = 9885583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9885637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4942823 + 4942824.

It is an arithmetic number, because the mean of its divisors is an integer number (4942824).

Almost surely, 2^9885647 is an apocalyptic number.

9885647 is a deficient number, since it is larger than the sum of its proper divisors (1).

9885647 is an equidigital number, since it uses as much as digits as its factorization.

9885647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 9885647 is about 3144.1448757969. The cubic root of 9885647 is about 214.6190984301.

The spelling of 9885647 in words is "nine million, eight hundred eighty-five thousand, six hundred forty-seven".