506128 has 20 divisors (see below), whose sum is σ = 1120960. Its totient is φ = 216864.

The previous prime is 506119. The next prime is 506131. The reversal of 506128 is 821605.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 506099 and 506108.

It is an unprimeable number.

506128 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, 2148 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (56048).

2⁵⁰⁶¹²⁸ is an apocalyptic number.

It is an amenable number.

506128 is an abundant number, since it is smaller than the sum of its proper divisors (614832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506128 is a wasteful number, since it uses less digits than its factorization.

506128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534 (or 4528 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 506128 is about 711.4267355111. The cubic root of 506128 is about 79.6929899844.

The spelling of 506128 in words is "five hundred six thousand, one hundred twenty-eight".