486985 has 4 divisors (see below), whose sum is σ = 584388. Its totient is φ = 389584.

The previous prime is 486977. The next prime is 486991. The reversal of 486985 is 589684.

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 355216 + 131769 = 596^2 + 363^2 .

It is a cyclic number.

It is not a de Polignac number, because 486985 - 2³ = 486977 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 48694 + ... + 48703.

It is an arithmetic number, because the mean of its divisors is an integer number (146097).

2⁴⁸⁶⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

486985 is a deficient number, since it is larger than the sum of its proper divisors (97403).

486985 is an equidigital number, since it uses as much as digits as its factorization.

486985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97402.

The product of its digits is 69120, while the sum is 40.

The square root of 486985 is about 697.8431055760. The cubic root of 486985 is about 78.6753218317.

The spelling of 486985 in words is "four hundred eighty-six thousand, nine hundred eighty-five".