444085 has 4 divisors (see below), whose sum is σ = 532908. Its totient is φ = 355264.

The previous prime is 444079. The next prime is 444089. The reversal of 444085 is 580444.

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 174724 + 269361 = 418^2 + 519^2 .

It is a cyclic number.

It is not a de Polignac number, because 444085 - 2¹³ = 435893 is a prime.

It is a super-2 number, since 2×444085² = 394422974450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444089) 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, 44404 + ... + 44413.

It is an arithmetic number, because the mean of its divisors is an integer number (133227).

2⁴⁴⁴⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

444085 is a deficient number, since it is larger than the sum of its proper divisors (88823).

444085 is an equidigital number, since it uses as much as digits as its factorization.

444085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88822.

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

The square root of 444085 is about 666.3970288049. The cubic root of 444085 is about 76.2937042295.

The spelling of 444085 in words is "four hundred forty-four thousand, eighty-five".