411605 has 8 divisors (see below), whose sum is σ = 497664. Its totient is φ = 326800.

The previous prime is 411589. The next prime is 411611. The reversal of 411605 is 506114.

It is a happy number.

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

It is not a de Polignac number, because 411605 - 2⁴ = 411589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 740 + ... + 1170.

It is an arithmetic number, because the mean of its divisors is an integer number (62208).

2⁴¹¹⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

411605 is a deficient number, since it is larger than the sum of its proper divisors (86059).

411605 is a wasteful number, since it uses less digits than its factorization.

411605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 411605 is about 641.5644940300. The cubic root of 411605 is about 74.3864010486.

Adding to 411605 its reverse (506114), we get a palindrome (917719).

The spelling of 411605 in words is "four hundred eleven thousand, six hundred five".