486561 has 8 divisors (see below), whose sum is σ = 657280. Its totient is φ = 320112.

The previous prime is 486559. The next prime is 486569. The reversal of 486561 is 165684.

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

It is not a de Polignac number, because 486561 - 2¹ = 486559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (486569) 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, 790 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (82160).

2⁴⁸⁶⁵⁶¹ is an apocalyptic number.

It is an amenable number.

486561 is a deficient number, since it is larger than the sum of its proper divisors (170719).

486561 is a wasteful number, since it uses less digits than its factorization.

486561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its digits is 5760, while the sum is 30.

The square root of 486561 is about 697.5392462077. The cubic root of 486561 is about 78.6524819616.

Adding to 486561 its sum of digits (30), we get a triangular number (486591 = T₉₈₆).

The spelling of 486561 in words is "four hundred eighty-six thousand, five hundred sixty-one".