9885901 has 2 divisors, whose sum is σ = 9885902. Its totient is φ = 9885900.

The previous prime is 9885893. The next prime is 9885913. The reversal of 9885901 is 1095889.

9885901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5517801 + 4368100 = 2349^2 + 2090^2 .

It is a cyclic number.

It is not a de Polignac number, because 9885901 - 2³ = 9885893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9883901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4942950 + 4942951.

It is an arithmetic number, because the mean of its divisors is an integer number (4942951).

Almost surely, 2^9885901 is an apocalyptic number.

It is an amenable number.

9885901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9885901 is an equidigital number, since it uses as much as digits as its factorization.

9885901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 9885901 is about 3144.1852680782. The cubic root of 9885901 is about 214.6209365422.

It can be divided in two parts, 988 and 5901, that added together give a square (6889 = 83²).

The spelling of 9885901 in words is "nine million, eight hundred eighty-five thousand, nine hundred one".