9876856 has 16 divisors (see below), whose sum is σ = 20202840. Its totient is φ = 4489440.

The previous prime is 9876851. The next prime is 9876857. The reversal of 9876856 is 6586789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9876851) 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, 56031 + ... + 56206.

Almost surely, 2^9876856 is an apocalyptic number.

It is an amenable number.

9876856 is an abundant number, since it is smaller than the sum of its proper divisors (10325984).

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

9876856 is a wasteful number, since it uses less digits than its factorization.

9876856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112254 (or 112250 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 9876856 is about 3142.7465694835. The cubic root of 9876856 is about 214.5554615217. Note that the first 3 decimals are identical.

The spelling of 9876856 in words is "nine million, eight hundred seventy-six thousand, eight hundred fifty-six".