506780 has 12 divisors (see below), whose sum is σ = 1064280. Its totient is φ = 202704.

The previous prime is 506773. The next prime is 506783. The reversal of 506780 is 87605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506783) by changing a digit.

506780 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12650 + ... + 12689.

It is an arithmetic number, because the mean of its divisors is an integer number (88690).

2⁵⁰⁶⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

506780 is an abundant number, since it is smaller than the sum of its proper divisors (557500).

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

506780 is a wasteful number, since it uses less digits than its factorization.

506780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25348 (or 25346 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 506780 is about 711.8848221447. The cubic root of 506780 is about 79.7271957807.

The spelling of 506780 in words is "five hundred six thousand, seven hundred eighty".