2856876 has 48 divisors (see below), whose sum is σ = 7596288. Its totient is φ = 827200.

The previous prime is 2856871. The next prime is 2856883. The reversal of 2856876 is 6786582.

It is not an unprimeable number, because it can be changed into a prime (2856871) 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 15 ways as a sum of consecutive naturals, for example, 2566 + ... + 3506.

It is an arithmetic number, because the mean of its divisors is an integer number (158256).

2^2856876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2856876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3798144).

2856876 is an abundant number, since it is smaller than the sum of its proper divisors (4739412).

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

2856876 is a wasteful number, since it uses less digits than its factorization.

2856876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 980 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 2856876 is about 1690.2295702064. The cubic root of 2856876 is about 141.8939232911.

The spelling of 2856876 in words is "two million, eight hundred fifty-six thousand, eight hundred seventy-six".