2942843 has 2 divisors, whose sum is σ = 2942844. Its totient is φ = 2942842.

The previous prime is 2942809. The next prime is 2942881. The reversal of 2942843 is 3482492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2942843 - 2¹⁰ = 2941819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2942243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471421 + 1471422.

It is an arithmetic number, because the mean of its divisors is an integer number (1471422).

2^2942843 is an apocalyptic number.

2942843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942843 is an equidigital number, since it uses as much as digits as its factorization.

2942843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 2942843 is about 1715.4716552599. The cubic root of 2942843 is about 143.3031370799.

The spelling of 2942843 in words is "two million, nine hundred forty-two thousand, eight hundred forty-three".