9885913 has 2 divisors, whose sum is σ = 9885914. Its totient is φ = 9885912.

The previous prime is 9885901. The next prime is 9885979. The reversal of 9885913 is 3195889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7414729 + 2471184 = 2723^2 + 1572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9885913 is a prime.

9885913 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9885913.

It is not a weakly prime, because it can be changed into another prime (9825913) 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, 4942956 + 4942957.

It is an arithmetic number, because the mean of its divisors is an integer number (4942957).

Almost surely, 2^9885913 is an apocalyptic number.

It is an amenable number.

9885913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9885913 is an equidigital number, since it uses as much as digits as its factorization.

9885913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 43.

The square root of 9885913 is about 3144.1871763621. The cubic root of 9885913 is about 214.6210233814.

The spelling of 9885913 in words is "nine million, eight hundred eighty-five thousand, nine hundred thirteen".