9876156 has 12 divisors (see below), whose sum is σ = 23044392. Its totient is φ = 3292048.

The previous prime is 9876149. The next prime is 9876161. The reversal of 9876156 is 6516789.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a congruent 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, 411495 + ... + 411518.

It is an arithmetic number, because the mean of its divisors is an integer number (1920366).

Almost surely, 2^9876156 is an apocalyptic number.

It is an amenable number.

9876156 is an abundant number, since it is smaller than the sum of its proper divisors (13168236).

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

9876156 is a wasteful number, since it uses less digits than its factorization.

9876156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823020 (or 823018 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 9876156 is about 3142.6351999556. The cubic root of 9876156 is about 214.5503926897.

The spelling of 9876156 in words is "nine million, eight hundred seventy-six thousand, one hundred fifty-six".