506889 has 12 divisors (see below), whose sum is σ = 775476. Its totient is φ = 317952.

The previous prime is 506887. The next prime is 506893. The reversal of 506889 is 988605.

It can be written as a sum of positive squares in 2 ways, for example, as 435600 + 71289 = 660^2 + 267^2 .

It is not a de Polignac number, because 506889 - 2¹ = 506887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1504 + ... + 1809.

It is an arithmetic number, because the mean of its divisors is an integer number (64623).

2⁵⁰⁶⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

506889 is a deficient number, since it is larger than the sum of its proper divisors (268587).

506889 is a wasteful number, since it uses less digits than its factorization.

506889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 506889 is about 711.9613753568. The cubic root of 506889 is about 79.7329113715.

The spelling of 506889 in words is "five hundred six thousand, eight hundred eighty-nine".