9908871 has 24 divisors (see below), whose sum is σ = 15633792. Its totient is φ = 5468400.

The previous prime is 9908867. The next prime is 9908881. The reversal of 9908871 is 1788099.

9908871 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9908871 - 2² = 9908867 is a prime.

9908871 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9908851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19936 + ... + 20426.

It is an arithmetic number, because the mean of its divisors is an integer number (651408).

Almost surely, 2^9908871 is an apocalyptic number.

9908871 is a deficient number, since it is larger than the sum of its proper divisors (5724921).

9908871 is a wasteful number, since it uses less digits than its factorization.

9908871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 9908871 is about 3147.8359232971. The cubic root of 9908871 is about 214.7870326709.

The spelling of 9908871 in words is "nine million, nine hundred eight thousand, eight hundred seventy-one".