444252 has 12 divisors (see below), whose sum is σ = 1036616. Its totient is φ = 148080.

The previous prime is 444209. The next prime is 444253. The reversal of 444252 is 252444.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444253) by changing a digit.

444252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 18499 + ... + 18522.

2⁴⁴⁴²⁵² is an apocalyptic number.

It is an amenable number.

444252 is an abundant number, since it is smaller than the sum of its proper divisors (592364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444252 is a wasteful number, since it uses less digits than its factorization.

444252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37028 (or 37026 counting only the distinct ones).

The product of its digits is 1280, while the sum is 21.

The square root of 444252 is about 666.5223177059. The cubic root of 444252 is about 76.3032665519.

Adding to 444252 its reverse (252444), we get a palindrome (696696).

It can be divided in two parts, 444 and 252, that added together give a palindrome (696).

The spelling of 444252 in words is "four hundred forty-four thousand, two hundred fifty-two".