441491 has 4 divisors (see below), whose sum is σ = 445512. Its totient is φ = 437472.

The previous prime is 441479. The next prime is 441499. The reversal of 441491 is 194144.

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

It is a cyclic number.

It is not a de Polignac number, because 441491 - 2¹⁴ = 425107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441499) 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, 1841 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (111378).

2⁴⁴¹⁴⁹¹ is an apocalyptic number.

441491 is a deficient number, since it is larger than the sum of its proper divisors (4021).

441491 is a wasteful number, since it uses less digits than its factorization.

441491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020.

The product of its digits is 576, while the sum is 23.

The square root of 441491 is about 664.4478911096. The cubic root of 441491 is about 76.1448645091.

The spelling of 441491 in words is "four hundred forty-one thousand, four hundred ninety-one".