9888841 has 2 divisors, whose sum is σ = 9888842. Its totient is φ = 9888840.

The previous prime is 9888817. The next prime is 9888863. The reversal of 9888841 is 1488889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9859600 + 29241 = 3140^2 + 171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9888841 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9888791 and 9888800.

It is not a weakly prime, because it can be changed into another prime (9888871) 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, 4944420 + 4944421.

It is an arithmetic number, because the mean of its divisors is an integer number (4944421).

Almost surely, 2^9888841 is an apocalyptic number.

It is an amenable number.

9888841 is a deficient number, since it is larger than the sum of its proper divisors (1).

9888841 is an equidigital number, since it uses as much as digits as its factorization.

9888841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 46.

The square root of 9888841 is about 3144.6527630249. The cubic root of 9888841 is about 214.6422100378.

The spelling of 9888841 in words is "nine million, eight hundred eighty-eight thousand, eight hundred forty-one".