506943 has 24 divisors (see below), whose sum is σ = 798720. Its totient is φ = 308880.

The previous prime is 506941. The next prime is 506963. The reversal of 506943 is 349605.

It is a happy number.

506943 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 712²-1.

It is not a de Polignac number, because 506943 - 2¹ = 506941 is a prime.

506943 is strictly pandigital in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 506943.

It is not an unprimeable number, because it can be changed into a prime (506941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6378 + ... + 6456.

It is an arithmetic number, because the mean of its divisors is an integer number (33280).

2⁵⁰⁶⁹⁴³ is an apocalyptic number.

506943 is a deficient number, since it is larger than the sum of its proper divisors (291777).

506943 is a wasteful number, since it uses less digits than its factorization.

506943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 506943 is about 711.9992977525. Note that the first 3 decimals coincide. The cubic root of 506943 is about 79.7357426451.

The spelling of 506943 in words is "five hundred six thousand, nine hundred forty-three".