444345 has 16 divisors (see below), whose sum is σ = 775872. Its totient is φ = 215360.

The previous prime is 444343. The next prime is 444347. The reversal of 444345 is 543444.

It is an interprime number because it is at equal distance from previous prime (444343) and next prime (444347).

It is not a de Polignac number, because 444345 - 2¹ = 444343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (48492).

2⁴⁴⁴³⁴⁵ is an apocalyptic number.

It is an amenable number.

444345 is a deficient number, since it is larger than the sum of its proper divisors (331527).

444345 is a wasteful number, since it uses less digits than its factorization.

444345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its digits is 3840, while the sum is 24.

The square root of 444345 is about 666.5920791609. The cubic root of 444345 is about 76.3085906387.

Adding to 444345 its reverse (543444), we get a palindrome (987789).

Subtracting 444345 from its reverse (543444), we obtain a palindrome (99099).

The spelling of 444345 in words is "four hundred forty-four thousand, three hundred forty-five".