441558 has 64 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 124416.

The previous prime is 441557. The next prime is 441563. The reversal of 441558 is 855144.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11916 + ... + 11952.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2⁴⁴¹⁵⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574560).

441558 is an abundant number, since it is smaller than the sum of its proper divisors (707562).

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

441558 is a wasteful number, since it uses less digits than its factorization.

441558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 72 counting only the distinct ones).

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

The square root of 441558 is about 664.4983069956. The cubic root of 441558 is about 76.1487161904.

It can be divided in two parts, 441 and 558, that added together give a palindrome (999).

The spelling of 441558 in words is "four hundred forty-one thousand, five hundred fifty-eight".