444313 has 4 divisors (see below), whose sum is σ = 445648. Its totient is φ = 442980.

The previous prime is 444307. The next prime is 444341. The reversal of 444313 is 313444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 444313 - 2⁵ = 444281 is a prime.

It is a Duffinian number.

444313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (444343) 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, 298 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (111412).

2⁴⁴⁴³¹³ is an apocalyptic number.

It is an amenable number.

444313 is a deficient number, since it is larger than the sum of its proper divisors (1335).

444313 is an equidigital number, since it uses as much as digits as its factorization.

444313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its digits is 576, while the sum is 19.

The square root of 444313 is about 666.5680760433. The cubic root of 444313 is about 76.3067587787.

Adding to 444313 its product of digits (576), we get a square (444889 = 667²).

Adding to 444313 its reverse (313444), we get a palindrome (757757).

It can be divided in two parts, 444 and 313, that added together give a palindrome (757).

The spelling of 444313 in words is "four hundred forty-four thousand, three hundred thirteen".