2841863 has 4 divisors (see below), whose sum is σ = 2933568. Its totient is φ = 2750160.

The previous prime is 2841851. The next prime is 2841869. The reversal of 2841863 is 3681482.

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 2841863 - 2⁴ = 2841847 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 (2841869) 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, 45806 + ... + 45867.

It is an arithmetic number, because the mean of its divisors is an integer number (733392).

2^2841863 is an apocalyptic number.

2841863 is a deficient number, since it is larger than the sum of its proper divisors (91705).

2841863 is an equidigital number, since it uses as much as digits as its factorization.

2841863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91704.

The product of its digits is 9216, while the sum is 32.

The square root of 2841863 is about 1685.7826075743. The cubic root of 2841863 is about 141.6449338442.

The spelling of 2841863 in words is "two million, eight hundred forty-one thousand, eight hundred sixty-three".