506443 has 8 divisors (see below), whose sum is σ = 587520. Its totient is φ = 427560.

The previous prime is 506423. The next prime is 506449. The reversal of 506443 is 344605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 506443 - 2¹⁷ = 375371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2⁵⁰⁶⁴⁴³ is an apocalyptic number.

506443 is a deficient number, since it is larger than the sum of its proper divisors (81077).

506443 is a wasteful number, since it uses less digits than its factorization.

506443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 506443 is about 711.6480871892. The cubic root of 506443 is about 79.7095194564.

It can be divided in two parts, 506 and 443, that added together give a palindrome (949).

The spelling of 506443 in words is "five hundred six thousand, four hundred forty-three".