2865876 has 24 divisors (see below), whose sum is σ = 7201824. Its totient is φ = 881760.

The previous prime is 2865871. The next prime is 2865881. The reversal of 2865876 is 6785682.

It is an interprime number because it is at equal distance from previous prime (2865871) and next prime (2865881).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865871) 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, 9030 + ... + 9341.

It is an arithmetic number, because the mean of its divisors is an integer number (300076).

2^2865876 is an apocalyptic number.

2865876 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2865876 is an abundant number, since it is smaller than the sum of its proper divisors (4335948).

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

2865876 is a wasteful number, since it uses less digits than its factorization.

2865876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18391 (or 18389 counting only the distinct ones).

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

The square root of 2865876 is about 1692.8898369356. The cubic root of 2865876 is about 142.0427696334.

It can be divided in two parts, 2865 and 876, that added together give a triangular number (3741 = T₈₆).

The spelling of 2865876 in words is "two million, eight hundred sixty-five thousand, eight hundred seventy-six".