485785 has 4 divisors (see below), whose sum is σ = 582948. Its totient is φ = 388624.

The previous prime is 485777. The next prime is 485819. The reversal of 485785 is 587584.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150544 + 335241 = 388^2 + 579^2 .

It is a cyclic number.

It is not a de Polignac number, because 485785 - 2³ = 485777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48574 + ... + 48583.

It is an arithmetic number, because the mean of its divisors is an integer number (145737).

2⁴⁸⁵⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

485785 is a deficient number, since it is larger than the sum of its proper divisors (97163).

485785 is an equidigital number, since it uses as much as digits as its factorization.

485785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97162.

The product of its digits is 44800, while the sum is 37.

The square root of 485785 is about 696.9827831446. The cubic root of 485785 is about 78.6106463014.

The spelling of 485785 in words is "four hundred eighty-five thousand, seven hundred eighty-five".