438244 has 9 divisors (see below), whose sum is σ = 769251. Its totient is φ = 218460.

The previous prime is 438241. The next prime is 438253. The reversal of 438244 is 442834.

The square root of 438244 is 662.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1159 + ... + 1489.

2⁴³⁸²⁴⁴ is an apocalyptic number.

438244 is the 662-nd square number.

It is an amenable number.

438244 is a deficient number, since it is larger than the sum of its proper divisors (331007).

438244 is an equidigital number, since it uses as much as digits as its factorization.

438244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 333 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The cubic root of 438244 is about 75.9577327302.

Multiplying 438244 by its sum of digits (25), we get a square (10956100 = 3310²).

The spelling of 438244 in words is "four hundred thirty-eight thousand, two hundred forty-four".