4438 has 8 divisors (see below), whose sum is σ = 7632. Its totient is φ = 1896.

The previous prime is 4423. The next prime is 4441. The reversal of 4438 is 8344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12, base 15 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145 + ... + 172.

It is an arithmetic number, because the mean of its divisors is an integer number (954).

2⁴⁴³⁸ is an apocalyptic number.

4438 is a deficient number, since it is larger than the sum of its proper divisors (3194).

4438 is a wasteful number, since it uses less digits than its factorization.

4438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 384, while the sum is 19.

The square root of 4438 is about 66.6183157998. The cubic root of 4438 is about 16.4334633015.

The spelling of 4438 in words is "four thousand, four hundred thirty-eight".