441999 has 12 divisors (see below), whose sum is σ = 648856. Its totient is φ = 289872.

The previous prime is 441971. The next prime is 442003. The reversal of 441999 is 999144.

It is not a de Polignac number, because 441999 - 2¹⁶ = 376463 is a prime.

It is a Duffinian number.

441999 is a modest number, since divided by 999 gives 441 as remainder.

It is a congruent 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237 + ... + 969.

2⁴⁴¹⁹⁹⁹ is an apocalyptic number.

441999 is a deficient number, since it is larger than the sum of its proper divisors (206857).

441999 is a wasteful number, since it uses less digits than its factorization.

441999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 803 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 441999 is about 664.8300534723. The cubic root of 441999 is about 76.1740585843.

The spelling of 441999 in words is "four hundred forty-one thousand, nine hundred ninety-nine".