438448 has 20 divisors (see below), whose sum is σ = 864280. Its totient is φ = 215424.

The previous prime is 438443. The next prime is 438467. The reversal of 438448 is 844834.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (438443) by changing a digit.

438448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (43214).

2⁴³⁸⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

438448 is a deficient number, since it is larger than the sum of its proper divisors (425832).

438448 is a wasteful number, since it uses less digits than its factorization.

438448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 478 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 438448 is about 662.1540606234. The cubic root of 438448 is about 75.9695168609.

The spelling of 438448 in words is "four hundred thirty-eight thousand, four hundred forty-eight".