486865 has 4 divisors (see below), whose sum is σ = 584244. Its totient is φ = 389488.

The previous prime is 486839. The next prime is 486869. The reversal of 486865 is 568684.

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 82369 + 404496 = 287^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 486865 - 2⁵ = 486833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48682 + ... + 48691.

It is an arithmetic number, because the mean of its divisors is an integer number (146061).

2⁴⁸⁶⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

486865 is a deficient number, since it is larger than the sum of its proper divisors (97379).

486865 is an equidigital number, since it uses as much as digits as its factorization.

486865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97378.

The product of its digits is 46080, while the sum is 37.

The square root of 486865 is about 697.7571210672. The cubic root of 486865 is about 78.6688590630.

The spelling of 486865 in words is "four hundred eighty-six thousand, eight hundred sixty-five".