444805 has 8 divisors (see below), whose sum is σ = 565272. Its totient is φ = 334848.

The previous prime is 444803. The next prime is 444811. The reversal of 444805 is 508444.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 231361 = 462^2 + 481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444805 - 2¹ = 444803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2532 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (70659).

2⁴⁴⁴⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

444805 is a deficient number, since it is larger than the sum of its proper divisors (120467).

444805 is a wasteful number, since it uses less digits than its factorization.

444805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 444805 is about 666.9370285117. The cubic root of 444805 is about 76.3349139129.

The spelling of 444805 in words is "four hundred forty-four thousand, eight hundred five".