9808872 has 16 divisors (see below), whose sum is σ = 24522240. Its totient is φ = 3269616.

The previous prime is 9808849. The next prime is 9808891. The reversal of 9808872 is 2788089.

It is a happy number.

It is an unprimeable number.

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, 204328 + ... + 204375.

It is an arithmetic number, because the mean of its divisors is an integer number (1532640).

Almost surely, 2^9808872 is an apocalyptic number.

It is an amenable number.

9808872 is an abundant number, since it is smaller than the sum of its proper divisors (14713368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9808872 is a wasteful number, since it uses less digits than its factorization.

9808872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408712 (or 408708 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 9808872 is about 3131.9118761549. The cubic root of 9808872 is about 214.0620543831.

The spelling of 9808872 in words is "nine million, eight hundred eight thousand, eight hundred seventy-two".