2863868 has 24 divisors (see below), whose sum is σ = 5978112. Its totient is φ = 1173744.

The previous prime is 2863867. The next prime is 2863877. The reversal of 2863868 is 8683682.

2863868 is nontrivially palindromic in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2863867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580 + ... + 2867.

It is an arithmetic number, because the mean of its divisors is an integer number (249088).

2^2863868 is an apocalyptic number.

2863868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2863868 is an abundant number, since it is smaller than the sum of its proper divisors (3114244).

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

2863868 is a wasteful number, since it uses less digits than its factorization.

2863868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481 (or 4479 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 2863868 is about 1692.2966642997. The cubic root of 2863868 is about 142.0095873974.

The spelling of 2863868 in words is "two million, eight hundred sixty-three thousand, eight hundred sixty-eight".