4643443 has 4 divisors (see below), whose sum is σ = 5306800. Its totient is φ = 3980088.

The previous prime is 4643437. The next prime is 4643453. The reversal of 4643443 is 3443464.

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

It is a de Polignac number, because none of the positive numbers 2^k-4643443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4643413) 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, 331668 + ... + 331681.

It is an arithmetic number, because the mean of its divisors is an integer number (1326700).

Almost surely, 2^4643443 is an apocalyptic number.

4643443 is a deficient number, since it is larger than the sum of its proper divisors (663357).

4643443 is an equidigital number, since it uses as much as digits as its factorization.

4643443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663356.

The product of its digits is 13824, while the sum is 28.

The square root of 4643443 is about 2154.8649609662. The cubic root of 4643443 is about 166.8322625247.

The spelling of 4643443 in words is "four million, six hundred forty-three thousand, four hundred forty-three".