2943743 has 4 divisors (see below), whose sum is σ = 3211368. Its totient is φ = 2676120.

The previous prime is 2943739. The next prime is 2943749. The reversal of 2943743 is 3473492.

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 2943743 - 2² = 2943739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133796 + ... + 133817.

It is an arithmetic number, because the mean of its divisors is an integer number (802842).

2^2943743 is an apocalyptic number.

2943743 is a deficient number, since it is larger than the sum of its proper divisors (267625).

2943743 is a wasteful number, since it uses less digits than its factorization.

2943743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267624.

The product of its digits is 18144, while the sum is 32.

The square root of 2943743 is about 1715.7339537353. The cubic root of 2943743 is about 143.3177442333.

The spelling of 2943743 in words is "two million, nine hundred forty-three thousand, seven hundred forty-three".