9875049 has 4 divisors (see below), whose sum is σ = 13166736. Its totient is φ = 6583364.

The previous prime is 9875039. The next prime is 9875057. The reversal of 9875049 is 9405789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9875049 - 2⁵ = 9875017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9875049.

It is not an unprimeable number, because it can be changed into a prime (9875009) 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 3 ways as a sum of consecutive naturals, for example, 1645839 + ... + 1645844.

It is an arithmetic number, because the mean of its divisors is an integer number (3291684).

Almost surely, 2^9875049 is an apocalyptic number.

It is an amenable number.

9875049 is a deficient number, since it is larger than the sum of its proper divisors (3291687).

9875049 is a wasteful number, since it uses less digits than its factorization.

9875049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291686.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 9875049 is about 3142.4590689458. The cubic root of 9875049 is about 214.5423762050.

The spelling of 9875049 in words is "nine million, eight hundred seventy-five thousand, forty-nine".