505880 has 16 divisors (see below), whose sum is σ = 1138320. Its totient is φ = 202336.

The previous prime is 505877. The next prime is 505907. The reversal of 505880 is 88505.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505880.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6284 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (71145).

2⁵⁰⁵⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

505880 is an abundant number, since it is smaller than the sum of its proper divisors (632440).

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

505880 is a wasteful number, since it uses less digits than its factorization.

505880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658 (or 12654 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 505880 is about 711.2524165161. The cubic root of 505880 is about 79.6799714789.

The spelling of 505880 in words is "five hundred five thousand, eight hundred eighty".