444065 has 4 divisors (see below), whose sum is σ = 532884. Its totient is φ = 355248.

The previous prime is 444047. The next prime is 444079. The reversal of 444065 is 560444.

It is a happy number.

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 351649 + 92416 = 593^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 444065 - 2⁶ = 444001 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 444065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44402 + ... + 44411.

It is an arithmetic number, because the mean of its divisors is an integer number (133221).

2⁴⁴⁴⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

444065 is a deficient number, since it is larger than the sum of its proper divisors (88819).

444065 is an equidigital number, since it uses as much as digits as its factorization.

444065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88818.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 444065 is about 666.3820225666. The cubic root of 444065 is about 76.2925588804.

The spelling of 444065 in words is "four hundred forty-four thousand, sixty-five".