485661 has 8 divisors (see below), whose sum is σ = 706464. Its totient is φ = 294320.

The previous prime is 485657. The next prime is 485671. The reversal of 485661 is 166584.

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 485661 - 2² = 485657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7326 + ... + 7391.

It is an arithmetic number, because the mean of its divisors is an integer number (88308).

2⁴⁸⁵⁶⁶¹ is an apocalyptic number.

It is an amenable number.

485661 is a deficient number, since it is larger than the sum of its proper divisors (220803).

485661 is a wasteful number, since it uses less digits than its factorization.

485661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14731.

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

The square root of 485661 is about 696.8938226158. The cubic root of 485661 is about 78.6039570941.

The spelling of 485661 in words is "four hundred eighty-five thousand, six hundred sixty-one".