444685 has 4 divisors (see below), whose sum is σ = 533628. Its totient is φ = 355744.

The previous prime is 444677. The next prime is 444701. The reversal of 444685 is 586444.

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 227529 + 217156 = 477^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 444685 - 2³ = 444677 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 44464 + ... + 44473.

It is an arithmetic number, because the mean of its divisors is an integer number (133407).

2⁴⁴⁴⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

444685 is a deficient number, since it is larger than the sum of its proper divisors (88943).

444685 is an equidigital number, since it uses as much as digits as its factorization.

444685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88942.

The product of its digits is 15360, while the sum is 31.

The square root of 444685 is about 666.8470589273. The cubic root of 444685 is about 76.3280487221.

The spelling of 444685 in words is "four hundred forty-four thousand, six hundred eighty-five".