2847863 has 2 divisors, whose sum is σ = 2847864. Its totient is φ = 2847862.

The previous prime is 2847839. The next prime is 2847893. The reversal of 2847863 is 3687482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2847863 - 2⁶ = 2847799 is a prime.

It is a super-2 number, since 2×2847863² = 16220647333538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2847833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1423931 + 1423932.

It is an arithmetic number, because the mean of its divisors is an integer number (1423932).

2^2847863 is an apocalyptic number.

2847863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2847863 is an equidigital number, since it uses as much as digits as its factorization.

2847863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 2847863 is about 1687.5612581474. The cubic root of 2847863 is about 141.7445483337.

The spelling of 2847863 in words is "two million, eight hundred forty-seven thousand, eight hundred sixty-three".