505708 has 12 divisors (see below), whose sum is σ = 1011472. Its totient is φ = 216720.

The previous prime is 505693. The next prime is 505709. The reversal of 505708 is 807505.

505708 is an admirable number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (505709) by changing a digit.

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, 9003 + ... + 9058.

2⁵⁰⁵⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

505708 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

505708 is a wasteful number, since it uses less digits than its factorization.

505708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18072 (or 18070 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 505708 is about 711.1314927635. The cubic root of 505708 is about 79.6709400165.

The spelling of 505708 in words is "five hundred five thousand, seven hundred eight".