2443943 has 4 divisors (see below), whose sum is σ = 2461920. Its totient is φ = 2425968.

The previous prime is 2443939. The next prime is 2443949. The reversal of 2443943 is 3493442.

2443943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2443943 - 2² = 2443939 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 4⁷ + 4⁸ + 3¹¹ + 9³ + 4⁸ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443949) 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 3 ways as a sum of consecutive naturals, for example, 8783 + ... + 9056.

It is an arithmetic number, because the mean of its divisors is an integer number (615480).

2^2443943 is an apocalyptic number.

2443943 is a deficient number, since it is larger than the sum of its proper divisors (17977).

2443943 is a wasteful number, since it uses less digits than its factorization.

2443943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17976.

The product of its digits is 10368, while the sum is 29.

The square root of 2443943 is about 1563.3115492441. The cubic root of 2443943 is about 134.6987888877.

The spelling of 2443943 in words is "two million, four hundred forty-three thousand, nine hundred forty-three".