438548 has 12 divisors (see below), whose sum is σ = 837312. Its totient is φ = 199320.

The previous prime is 438533. The next prime is 438551. The reversal of 438548 is 845834.

438548 is nontrivially palindromic in base 3.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 438548.

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, 4940 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (69776).

2⁴³⁸⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

438548 is a deficient number, since it is larger than the sum of its proper divisors (398764).

438548 is a wasteful number, since it uses less digits than its factorization.

438548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9982 (or 9980 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 438548 is about 662.2295674462. The cubic root of 438548 is about 75.9752920605.

Subtracting from 438548 its sum of digits (32), we obtain a triangular number (438516 = T₉₃₆).

The spelling of 438548 in words is "four hundred thirty-eight thousand, five hundred forty-eight".