2867863 has 4 divisors (see below), whose sum is σ = 2879280. Its totient is φ = 2856448.

The previous prime is 2867861. The next prime is 2867867. The reversal of 2867863 is 3687682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2867863 - 2¹ = 2867861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2867861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5323 + ... + 5836.

It is an arithmetic number, because the mean of its divisors is an integer number (719820).

2^2867863 is an apocalyptic number.

2867863 is a deficient number, since it is larger than the sum of its proper divisors (11417).

2867863 is a wasteful number, since it uses less digits than its factorization.

2867863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11416.

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

The square root of 2867863 is about 1693.4766015508. The cubic root of 2867863 is about 142.0755895903.

The spelling of 2867863 in words is "two million, eight hundred sixty-seven thousand, eight hundred sixty-three".