411660 has 36 divisors (see below), whose sum is σ = 1249248. Its totient is φ = 109728.

The previous prime is 411641. The next prime is 411667. The reversal of 411660 is 66114.

411660 is a `hidden beast` number, since 4 + 1 + 1 + 660 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (411667) by changing a digit.

411660 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964 + ... + 1323.

2⁴¹¹⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

411660 is an abundant number, since it is smaller than the sum of its proper divisors (837588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

411660 is a wasteful number, since it uses less digits than its factorization.

411660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302 (or 2297 counting only the distinct ones).

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

The square root of 411660 is about 641.6073565663. The cubic root of 411660 is about 74.3897141521.

Adding to 411660 its reverse (66114), we get a palindrome (477774).

It can be divided in two parts, 4 and 11660, that added together give a square (11664 = 108²).

The spelling of 411660 in words is "four hundred eleven thousand, six hundred sixty".