410661 has 12 divisors (see below), whose sum is σ = 600288. Its totient is φ = 270504.

The previous prime is 410659. The next prime is 410671. The reversal of 410661 is 166014.

410661 is a `hidden beast` number, since 4 + 1 + 0 + 661 = 666.

It is not a de Polignac number, because 410661 - 2¹ = 410659 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (410621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (50024).

2⁴¹⁰⁶⁶¹ is an apocalyptic number.

It is an amenable number.

410661 is a deficient number, since it is larger than the sum of its proper divisors (189627).

410661 is a wasteful number, since it uses less digits than its factorization.

410661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 410661 is about 640.8283701585. The cubic root of 410661 is about 74.3294900831.

Adding to 410661 its reverse (166014), we get a palindrome (576675).

The spelling of 410661 in words is "four hundred ten thousand, six hundred sixty-one".