9887049 has 16 divisors (see below), whose sum is σ = 15419200. Its totient is φ = 6244128.

The previous prime is 9887041. The next prime is 9887069. The reversal of 9887049 is 9407889.

It is not a de Polignac number, because 9887049 - 2³ = 9887041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9886995 and 9887013.

It is not an unprimeable number, because it can be changed into a prime (9887041) 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 in 15 ways as a sum of consecutive naturals, for example, 9124 + ... + 10149.

It is an arithmetic number, because the mean of its divisors is an integer number (963700).

Almost surely, 2^9887049 is an apocalyptic number.

It is an amenable number.

9887049 is a deficient number, since it is larger than the sum of its proper divisors (5532151).

9887049 is a wasteful number, since it uses less digits than its factorization.

9887049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19301 (or 19295 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 9887049 is about 3144.3678219954. The cubic root of 9887049 is about 214.6292438376.

The spelling of 9887049 in words is "nine million, eight hundred eighty-seven thousand, forty-nine".