485815 has 16 divisors (see below), whose sum is σ = 650016. Its totient is φ = 348480.

The previous prime is 485777. The next prime is 485819. The reversal of 485815 is 518584.

It is not a de Polignac number, because 485815 - 2¹¹ = 483767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485819) 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 15 ways as a sum of consecutive naturals, for example, 6619 + ... + 6691.

It is an arithmetic number, because the mean of its divisors is an integer number (40626).

2⁴⁸⁵⁸¹⁵ is an apocalyptic number.

485815 is a deficient number, since it is larger than the sum of its proper divisors (164201).

485815 is an equidigital number, since it uses as much as digits as its factorization.

485815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 89 counting only the distinct ones).

The product of its digits is 6400, while the sum is 31.

The square root of 485815 is about 697.0043041474. The cubic root of 485815 is about 78.6122644870.

The spelling of 485815 in words is "four hundred eighty-five thousand, eight hundred fifteen".