3243943 has 4 divisors (see below), whose sum is σ = 3385008. Its totient is φ = 3102880.

The previous prime is 3243941. The next prime is 3243967. The reversal of 3243943 is 3493423.

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 3243943 - 2¹ = 3243941 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 (3243941) 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, 70498 + ... + 70543.

It is an arithmetic number, because the mean of its divisors is an integer number (846252).

Almost surely, 2^3243943 is an apocalyptic number.

3243943 is a deficient number, since it is larger than the sum of its proper divisors (141065).

3243943 is a wasteful number, since it uses less digits than its factorization.

3243943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141064.

The product of its digits is 7776, while the sum is 28.

The square root of 3243943 is about 1801.0949447489. The cubic root of 3243943 is about 148.0327265101.

It can be divided in two parts, 3243 and 943, that added together give a triangular number (4186 = T₉₁).

The spelling of 3243943 in words is "three million, two hundred forty-three thousand, nine hundred forty-three".