441566 has 4 divisors (see below), whose sum is σ = 662352. Its totient is φ = 220782.

The previous prime is 441563. The next prime is 441569. The reversal of 441566 is 665144.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (441563) and next prime (441569).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110390 + ... + 110393.

It is an arithmetic number, because the mean of its divisors is an integer number (165588).

2⁴⁴¹⁵⁶⁶ is an apocalyptic number.

441566 is a deficient number, since it is larger than the sum of its proper divisors (220786).

441566 is a wasteful number, since it uses less digits than its factorization.

441566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220785.

The product of its digits is 2880, while the sum is 26.

The square root of 441566 is about 664.5043265472. The cubic root of 441566 is about 76.1491760666.

The spelling of 441566 in words is "four hundred forty-one thousand, five hundred sixty-six".