438344 has 16 divisors (see below), whose sum is σ = 829500. Its totient is φ = 217152.

The previous prime is 438341. The next prime is 438377. The reversal of 438344 is 443834.

438344 = T₁₇₉ + T₁₈₀ + ... + T₂₀₂.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 438244 + 100 = 662^2 + 10^2 .

Its product of digits (4608) is a multiple of the sum of its prime factors (512).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (438341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082 + ... + 1430.

2⁴³⁸³⁴⁴ is an apocalyptic number.

It is an amenable number.

438344 is a deficient number, since it is larger than the sum of its proper divisors (391156).

438344 is a wasteful number, since it uses less digits than its factorization.

438344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 508 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 438344 is about 662.0755243928. The cubic root of 438344 is about 75.9635097217.

The spelling of 438344 in words is "four hundred thirty-eight thousand, three hundred forty-four".