441009 has 12 divisors (see below), whose sum is σ = 670800. Its totient is φ = 278424.

The previous prime is 440989. The next prime is 441011. The reversal of 441009 is 900144.

It is not a de Polignac number, because 441009 - 2⁸ = 440753 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440982 and 441000.

It is not an unprimeable number, because it can be changed into a prime (441029) 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 11 ways as a sum of consecutive naturals, for example, 1119 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (55900).

2⁴⁴¹⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

441009 is a deficient number, since it is larger than the sum of its proper divisors (229791).

441009 is a wasteful number, since it uses less digits than its factorization.

441009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 441009 is about 664.0850849101. The cubic root of 441009 is about 76.1171439069.

It can be divided in two parts, 44100 and 9, that multiplied together give a square (396900 = 630²).

The spelling of 441009 in words is "four hundred forty-one thousand, nine".