506606 has 8 divisors (see below), whose sum is σ = 762960. Its totient is φ = 252288.

The previous prime is 506599. The next prime is 506609. The reversal of 506606 is 606605.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506609) by changing a digit.

506606 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (95370).

2⁵⁰⁶⁶⁰⁶ is an apocalyptic number.

506606 is a deficient number, since it is larger than the sum of its proper divisors (256354).

506606 is a wasteful number, since it uses less digits than its factorization.

506606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 506606 is about 711.7626008719. The cubic root of 506606 is about 79.7180701114.

Subtracting 506606 from its reverse (606605), we obtain a palindrome (99999).

The spelling of 506606 in words is "five hundred six thousand, six hundred six".