9885944 has 16 divisors (see below), whose sum is σ = 18711000. Its totient is φ = 4896352.

The previous prime is 9885913. The next prime is 9885979. The reversal of 9885944 is 4495889.

It is a super-2 number, since 2×9885944² = 195463777542272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4919 + ... + 6630.

Almost surely, 2^9885944 is an apocalyptic number.

It is an amenable number.

9885944 is a deficient number, since it is larger than the sum of its proper divisors (8825056).

9885944 is a wasteful number, since it uses less digits than its factorization.

9885944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662 (or 11658 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 9885944 is about 3144.1921060902. The cubic root of 9885944 is about 214.6212477156.

The spelling of 9885944 in words is "nine million, eight hundred eighty-five thousand, nine hundred forty-four".