505884 has 12 divisors (see below), whose sum is σ = 1180424. Its totient is φ = 168624.

The previous prime is 505877. The next prime is 505907. The reversal of 505884 is 488505.

It is a tau number, because it is divible by the number of its divisors (12).

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 505884.

It is an unprimeable number.

505884 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 3 ways as a sum of consecutive naturals, for example, 21067 + ... + 21090.

2⁵⁰⁵⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

505884 is an abundant number, since it is smaller than the sum of its proper divisors (674540).

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

505884 is a wasteful number, since it uses less digits than its factorization.

505884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42164 (or 42162 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 505884 is about 711.2552284518. The cubic root of 505884 is about 79.6801814886.

The spelling of 505884 in words is "five hundred five thousand, eight hundred eighty-four".