9885664 has 12 divisors (see below), whose sum is σ = 19462464. Its totient is φ = 4942816.

The previous prime is 9885647. The next prime is 9885727. The reversal of 9885664 is 4665889.

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 as a sum of consecutive naturals, namely, 154432 + ... + 154495.

It is an arithmetic number, because the mean of its divisors is an integer number (1621872).

Almost surely, 2^9885664 is an apocalyptic number.

It is an amenable number.

9885664 is a deficient number, since it is larger than the sum of its proper divisors (9576800).

9885664 is a wasteful number, since it uses less digits than its factorization.

9885664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308937 (or 308929 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 9885664 is about 3144.1475792335. The cubic root of 9885664 is about 214.6192214543.

The spelling of 9885664 in words is "nine million, eight hundred eighty-five thousand, six hundred sixty-four".