506380 has 24 divisors (see below), whose sum is σ = 1215648. Its totient is φ = 173568.

The previous prime is 506357. The next prime is 506381. The reversal of 506380 is 83605.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (506381) by changing a digit.

506380 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 7 ways as a sum of consecutive naturals, for example, 1669 + ... + 1948.

It is an arithmetic number, because the mean of its divisors is an integer number (50652).

2⁵⁰⁶³⁸⁰ is an apocalyptic number.

It is an amenable number.

506380 is an abundant number, since it is smaller than the sum of its proper divisors (709268).

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

506380 is a wasteful number, since it uses less digits than its factorization.

506380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 506380 is about 711.6038223619. The cubic root of 506380 is about 79.7062141105.

Adding to 506380 its reverse (83605), we get a palindrome (589985).

The spelling of 506380 in words is "five hundred six thousand, three hundred eighty".