505790 has 16 divisors (see below), whose sum is σ = 935712. Its totient is φ = 196704.

The previous prime is 505781. The next prime is 505811. The reversal of 505790 is 97505.

It is a congruent number.

It is an unprimeable number.

505790 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, 314 + ... + 1053.

It is an arithmetic number, because the mean of its divisors is an integer number (58482).

2⁵⁰⁵⁷⁹⁰ is an apocalyptic number.

505790 is a deficient number, since it is larger than the sum of its proper divisors (429922).

505790 is a wasteful number, since it uses less digits than its factorization.

505790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 505790 is about 711.1891450240. The cubic root of 505790 is about 79.6752459691.

The spelling of 505790 in words is "five hundred five thousand, seven hundred ninety".