411666 has 8 divisors (see below), whose sum is σ = 823344. Its totient is φ = 137220.

The previous prime is 411641. The next prime is 411667. The reversal of 411666 is 666114.

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

411666 is an admirable number.

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

411666 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 3 ways as a sum of consecutive naturals, for example, 34300 + ... + 34311.

It is an arithmetic number, because the mean of its divisors is an integer number (102918).

2⁴¹¹⁶⁶⁶ is an apocalyptic number.

411666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

411666 is a wasteful number, since it uses less digits than its factorization.

411666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68616.

The product of its digits is 864, while the sum is 24.

The square root of 411666 is about 641.6120323061. The cubic root of 411666 is about 74.3900755637.

It can be divided in two parts, 4 and 11666, that multiplied together give a palindrome (46664).

The spelling of 411666 in words is "four hundred eleven thousand, six hundred sixty-six".