411405 has 8 divisors (see below), whose sum is σ = 658272. Its totient is φ = 219408.

The previous prime is 411379. The next prime is 411409. The reversal of 411405 is 504114.

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

It is not a de Polignac number, because 411405 - 2¹⁶ = 345869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 27427 = 411405 / (4 + 1 + 1 + 4 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13699 + ... + 13728.

It is an arithmetic number, because the mean of its divisors is an integer number (82284).

2⁴¹¹⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

411405 is a deficient number, since it is larger than the sum of its proper divisors (246867).

411405 is a wasteful number, since it uses less digits than its factorization.

411405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27435.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 411405 is about 641.4086061163. The cubic root of 411405 is about 74.3743509112.

Adding to 411405 its reverse (504114), we get a palindrome (915519).

The spelling of 411405 in words is "four hundred eleven thousand, four hundred five".