441457 has 4 divisors (see below), whose sum is σ = 448756. Its totient is φ = 434160.

The previous prime is 441449. The next prime is 441461. The reversal of 441457 is 754144.

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

It can be written as a sum of positive squares in 2 ways, for example, as 126736 + 314721 = 356^2 + 561^2 .

It is a cyclic number.

It is not a de Polignac number, because 441457 - 2³ = 441449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3558 + ... + 3679.

It is an arithmetic number, because the mean of its divisors is an integer number (112189).

2⁴⁴¹⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

441457 is a deficient number, since it is larger than the sum of its proper divisors (7299).

441457 is an equidigital number, since it uses as much as digits as its factorization.

441457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298.

The product of its digits is 2240, while the sum is 25.

The square root of 441457 is about 664.4223054654. The cubic root of 441457 is about 76.1429097756.

It can be divided in two parts, 441 and 457, that added together give a palindrome (898).

The spelling of 441457 in words is "four hundred forty-one thousand, four hundred fifty-seven".