2940043 has 2 divisors, whose sum is σ = 2940044. Its totient is φ = 2940042.

The previous prime is 2940013. The next prime is 2940053. The reversal of 2940043 is 3400492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2940043 - 2⁵ = 2940011 is a prime.

2940043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2939996 and 2940023.

It is not a weakly prime, because it can be changed into another prime (2940013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470021 + 1470022.

It is an arithmetic number, because the mean of its divisors is an integer number (1470022).

2^2940043 is an apocalyptic number.

2940043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940043 is an equidigital number, since it uses as much as digits as its factorization.

2940043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2940043 is about 1714.6553589570. The cubic root of 2940043 is about 143.2576735481.

The spelling of 2940043 in words is "two million, nine hundred forty thousand, forty-three".