2876863 has 16 divisors (see below), whose sum is σ = 3338496. Its totient is φ = 2453440.

The previous prime is 2876833. The next prime is 2876869. The reversal of 2876863 is 3686782.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2876863 is a prime.

2876863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2876869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20931 + ... + 21067.

It is an arithmetic number, because the mean of its divisors is an integer number (208656).

2^2876863 is an apocalyptic number.

2876863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2876863 is a deficient number, since it is larger than the sum of its proper divisors (461633).

2876863 is a wasteful number, since it uses less digits than its factorization.

2876863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its digits is 96768, while the sum is 40.

The square root of 2876863 is about 1696.1317755410. The cubic root of 2876863 is about 142.2240561242.

The spelling of 2876863 in words is "two million, eight hundred seventy-six thousand, eight hundred sixty-three".