9876872 has 16 divisors (see below), whose sum is σ = 18796560. Its totient is φ = 4864464.

The previous prime is 9876871. The next prime is 9876883. The reversal of 9876872 is 2786789.

It is not an unprimeable number, because it can be changed into a prime (9876871) 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 3 ways as a sum of consecutive naturals, for example, 8678 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (1174785).

Almost surely, 2^9876872 is an apocalyptic number.

It is an amenable number.

9876872 is a deficient number, since it is larger than the sum of its proper divisors (8919688).

9876872 is a wasteful number, since it uses less digits than its factorization.

9876872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18500 (or 18496 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 9876872 is about 3142.7491150265. The cubic root of 9876872 is about 214.5555773779. Note that the first 4 decimals are identical.

The spelling of 9876872 in words is "nine million, eight hundred seventy-six thousand, eight hundred seventy-two".