438348 has 12 divisors (see below), whose sum is σ = 1022840. Its totient is φ = 146112.

The previous prime is 438341. The next prime is 438377. The reversal of 438348 is 843834.

438348 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

438348 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, 18253 + ... + 18276.

2⁴³⁸³⁴⁸ is an apocalyptic number.

It is an amenable number.

438348 is an abundant number, since it is smaller than the sum of its proper divisors (584492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438348 is a wasteful number, since it uses less digits than its factorization.

438348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36536 (or 36534 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 438348 is about 662.0785451893. The cubic root of 438348 is about 75.9637407831.

The spelling of 438348 in words is "four hundred thirty-eight thousand, three hundred forty-eight".