411855 has 8 divisors (see below), whose sum is σ = 658992. Its totient is φ = 219648.

The previous prime is 411841. The next prime is 411883. The reversal of 411855 is 558114.

411855 = 285² + 286² + ... + 289².

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

It is not a de Polignac number, because 411855 - 2⁵ = 411823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13714 + ... + 13743.

It is an arithmetic number, because the mean of its divisors is an integer number (82374).

2⁴¹¹⁸⁵⁵ is an apocalyptic number.

411855 is a deficient number, since it is larger than the sum of its proper divisors (247137).

411855 is a wasteful number, since it uses less digits than its factorization.

411855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27465.

The product of its digits is 800, while the sum is 24.

The square root of 411855 is about 641.7593006728. The cubic root of 411855 is about 74.4014582325.

Adding to 411855 its reverse (558114), we get a palindrome (969969).

The spelling of 411855 in words is "four hundred eleven thousand, eight hundred fifty-five".