2864843 has 2 divisors, whose sum is σ = 2864844. Its totient is φ = 2864842.

The previous prime is 2864833. The next prime is 2864867. The reversal of 2864843 is 3484682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2864843 - 2¹⁴ = 2848459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2864833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432421 + 1432422.

It is an arithmetic number, because the mean of its divisors is an integer number (1432422).

2^2864843 is an apocalyptic number.

2864843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864843 is an equidigital number, since it uses as much as digits as its factorization.

2864843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 35.

The square root of 2864843 is about 1692.5847098447. The cubic root of 2864843 is about 142.0257012264.

The spelling of 2864843 in words is "two million, eight hundred sixty-four thousand, eight hundred forty-three".