2943243 has 16 divisors (see below), whose sum is σ = 4428160. Its totient is φ = 1931688.

The previous prime is 2943229. The next prime is 2943247. The reversal of 2943243 is 3423492.

It is a happy number.

2943243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2943243 - 2⁶ = 2943179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2943247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996 + ... + 2622.

It is an arithmetic number, because the mean of its divisors is an integer number (276760).

2^2943243 is an apocalyptic number.

2943243 is a deficient number, since it is larger than the sum of its proper divisors (1484917).

2943243 is a wasteful number, since it uses less digits than its factorization.

2943243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703 (or 1697 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 2943243 is about 1715.5882373110. The cubic root of 2943243 is about 143.3096295157.

Subtracting 2943243 from its reverse (3423492), we obtain a square (480249 = 693²).

The spelling of 2943243 in words is "two million, nine hundred forty-three thousand, two hundred forty-three".