444709 has 4 divisors (see below), whose sum is σ = 446220. Its totient is φ = 443200.

The previous prime is 444701. The next prime is 444713. The reversal of 444709 is 907444.

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 228484 + 216225 = 478^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 444709 - 2³ = 444701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (111555).

2⁴⁴⁴⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

444709 is a deficient number, since it is larger than the sum of its proper divisors (1511).

444709 is a wasteful number, since it uses less digits than its factorization.

444709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 444709 is about 666.8650538152. The cubic root of 444709 is about 76.3294218591.

It can be divided in two parts, 44 and 4709, that added together give a triangular number (4753 = T₉₇).

The spelling of 444709 in words is "four hundred forty-four thousand, seven hundred nine".