486661 has 8 divisors (see below), whose sum is σ = 571520. Its totient is φ = 405648.

The previous prime is 486653. The next prime is 486667. The reversal of 486661 is 166684.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 486661 - 2³ = 486653 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 (486667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681 + ... + 1198.

It is an arithmetic number, because the mean of its divisors is an integer number (71440).

2⁴⁸⁶⁶⁶¹ is an apocalyptic number.

It is an amenable number.

486661 is a deficient number, since it is larger than the sum of its proper divisors (84859).

486661 is a wasteful number, since it uses less digits than its factorization.

486661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923.

The product of its digits is 6912, while the sum is 31.

The square root of 486661 is about 697.6109230796. The cubic root of 486661 is about 78.6578699187.

The spelling of 486661 in words is "four hundred eighty-six thousand, six hundred sixty-one".