485805 has 16 divisors (see below), whose sum is σ = 786240. Its totient is φ = 256128.

The previous prime is 485777. The next prime is 485819. The reversal of 485805 is 508584.

It is not a de Polignac number, because 485805 - 2¹¹ = 483757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1969 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2⁴⁸⁵⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

485805 is a deficient number, since it is larger than the sum of its proper divisors (300435).

485805 is a wasteful number, since it uses less digits than its factorization.

485805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

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

The square root of 485805 is about 696.9971305536. The cubic root of 485805 is about 78.6117250992.

The spelling of 485805 in words is "four hundred eighty-five thousand, eight hundred five".