444109 has 2 divisors, whose sum is σ = 444110. Its totient is φ = 444108.

The previous prime is 444089. The next prime is 444113. The reversal of 444109 is 901444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 21609 = 650^2 + 147^2 .

It is a cyclic number.

It is not a de Polignac number, because 444109 - 2¹¹ = 442061 is a prime.

It is equal to p₃₇₂₇₃ and since 444109 and 37273 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444179) 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 as a sum of consecutive naturals, namely, 222054 + 222055.

It is an arithmetic number, because the mean of its divisors is an integer number (222055).

2⁴⁴⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

444109 is a deficient number, since it is larger than the sum of its proper divisors (1).

444109 is an equidigital number, since it uses as much as digits as its factorization.

444109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 444109 is about 666.4150358448. The cubic root of 444109 is about 76.2950786030.

The spelling of 444109 in words is "four hundred forty-four thousand, one hundred nine".