3443 has 4 divisors (see below), whose sum is σ = 3768. Its totient is φ = 3120.

The previous prime is 3433. The next prime is 3449.

3443 is nontrivially palindromic in base 10.

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 3443 - 2⁸ = 3187 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3449) 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, 146 + ... + 167.

It is an arithmetic number, because the mean of its divisors is an integer number (942).

2³⁴⁴³ is an apocalyptic number.

3443 is a deficient number, since it is larger than the sum of its proper divisors (325).

3443 is a wasteful number, since it uses less digits than its factorization.

3443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its digits is 144, while the sum is 14.

The square root of 3443 is about 58.6770824087. The cubic root of 3443 is about 15.1000716339.

It can be divided in two parts, 34 and 43, that added together give a palindrome (77).

The spelling of 3443 in words is "three thousand, four hundred forty-three", and thus it is an iban number.