9885249 has 24 divisors (see below), whose sum is σ = 16084224. Its totient is φ = 5796000.

The previous prime is 9885241. The next prime is 9885283. The reversal of 9885249 is 9425889.

It is not a de Polignac number, because 9885249 - 2³ = 9885241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9885241) 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 23 ways as a sum of consecutive naturals, for example, 1459 + ... + 4679.

It is an arithmetic number, because the mean of its divisors is an integer number (670176).

Almost surely, 2^9885249 is an apocalyptic number.

9885249 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9885249 is a deficient number, since it is larger than the sum of its proper divisors (6198975).

9885249 is a wasteful number, since it uses less digits than its factorization.

9885249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269 (or 3266 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 9885249 is about 3144.0815829110. The cubic root of 9885249 is about 214.6162181752.

The spelling of 9885249 in words is "nine million, eight hundred eighty-five thousand, two hundred forty-nine".