506890 has 16 divisors (see below), whose sum is σ = 920808. Its totient is φ = 200896.

The previous prime is 506887. The next prime is 506893. The reversal of 506890 is 98605.

It is an interprime number because it is at equal distance from previous prime (506887) and next prime (506893).

It can be written as a sum of positive squares in 4 ways, for example, as 505521 + 1369 = 711^2 + 37^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506893) 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, 1584 + ... + 1876.

2⁵⁰⁶⁸⁹⁰ is an apocalyptic number.

506890 is a deficient number, since it is larger than the sum of its proper divisors (413918).

506890 is a wasteful number, since it uses less digits than its factorization.

506890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 506890 is about 711.9620776418. The cubic root of 506890 is about 79.7329638043.

The spelling of 506890 in words is "five hundred six thousand, eight hundred ninety".