486861 has 4 divisors (see below), whose sum is σ = 649152. Its totient is φ = 324572.

The previous prime is 486839. The next prime is 486869. The reversal of 486861 is 168684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 486861 - 2⁶ = 486797 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486869) 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 3 ways as a sum of consecutive naturals, for example, 81141 + ... + 81146.

It is an arithmetic number, because the mean of its divisors is an integer number (162288).

2⁴⁸⁶⁸⁶¹ is an apocalyptic number.

It is an amenable number.

486861 is a deficient number, since it is larger than the sum of its proper divisors (162291).

486861 is a wasteful number, since it uses less digits than its factorization.

486861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162290.

The product of its digits is 9216, while the sum is 33.

The square root of 486861 is about 697.7542547344. The cubic root of 486861 is about 78.6686436191.

The spelling of 486861 in words is "four hundred eighty-six thousand, eight hundred sixty-one".