9908857 has 8 divisors (see below), whose sum is σ = 11425536. Its totient is φ = 8417472.

The previous prime is 9908851. The next prime is 9908867. The reversal of 9908857 is 7588099.

9908857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9908857 - 2⁷ = 9908729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9908851) 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 7 ways as a sum of consecutive naturals, for example, 5473 + ... + 7054.

It is an arithmetic number, because the mean of its divisors is an integer number (1428192).

Almost surely, 2^9908857 is an apocalyptic number.

It is an amenable number.

9908857 is a deficient number, since it is larger than the sum of its proper divisors (1516679).

9908857 is a wasteful number, since it uses less digits than its factorization.

9908857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 9908857 is about 3147.8336995464. The cubic root of 9908857 is about 214.7869315150.

The spelling of 9908857 in words is "nine million, nine hundred eight thousand, eight hundred fifty-seven".