9885969 has 28 divisors (see below), whose sum is σ = 15109632. Its totient is φ = 6463800.

The previous prime is 9885913. The next prime is 9885979. The reversal of 9885969 is 9695889.

It is a de Polignac number, because none of the positive numbers 2^k-9885969 is a prime.

It is a super-2 number, since 2×9885969² = 195464766137922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9885979) 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 in 27 ways as a sum of consecutive naturals, for example, 51664 + ... + 51854.

Almost surely, 2^9885969 is an apocalyptic number.

It is an amenable number.

9885969 is a deficient number, since it is larger than the sum of its proper divisors (5223663).

9885969 is an equidigital number, since it uses as much as digits as its factorization.

9885969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 265 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The square root of 9885969 is about 3144.1960816718. The cubic root of 9885969 is about 214.6214286299.

The spelling of 9885969 in words is "nine million, eight hundred eighty-five thousand, nine hundred sixty-nine".