3340443 has 4 divisors (see below), whose sum is σ = 4453928. Its totient is φ = 2226960.

The previous prime is 3340429. The next prime is 3340453. The reversal of 3340443 is 3440433.

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

It is not a de Polignac number, because 3340443 - 2⁴ = 3340427 is a prime.

It is a super-2 number, since 2×3340443² = 22317118872498, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3340453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556738 + ... + 556743.

It is an arithmetic number, because the mean of its divisors is an integer number (1113482).

Almost surely, 2^3340443 is an apocalyptic number.

3340443 is a deficient number, since it is larger than the sum of its proper divisors (1113485).

3340443 is a wasteful number, since it uses less digits than its factorization.

3340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113484.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 3340443 is about 1827.6878836388. The cubic root of 3340443 is about 149.4862871133.

Adding to 3340443 its reverse (3440433), we get a palindrome (6780876).

The spelling of 3340443 in words is "three million, three hundred forty thousand, four hundred forty-three".