441855 has 20 divisors (see below), whose sum is σ = 792792. Its totient is φ = 235440.

The previous prime is 441841. The next prime is 441877. The reversal of 441855 is 558144.

It is not a de Polignac number, because 441855 - 2⁴ = 441839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

441855 is a lucky number.

It is a plaindrome in base 16.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 141 + ... + 950.

2⁴⁴¹⁸⁵⁵ is an apocalyptic number.

441855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

441855 is a deficient number, since it is larger than the sum of its proper divisors (350937).

441855 is a wasteful number, since it uses less digits than its factorization.

441855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1099 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 441855 is about 664.7217462969. The cubic root of 441855 is about 76.1657853712.

Adding to 441855 its reverse (558144), we get a palindrome (999999).

It can be divided in two parts, 441 and 855, that added together give a 4-th power (1296 = 6⁴).

The spelling of 441855 in words is "four hundred forty-one thousand, eight hundred fifty-five".