438894 has 24 divisors (see below), whose sum is σ = 978120. Its totient is φ = 142128.

The previous prime is 438887. The next prime is 438899. The reversal of 438894 is 498834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (40755).

2⁴³⁸⁸⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489060).

438894 is an abundant number, since it is smaller than the sum of its proper divisors (539226).

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

438894 is a wasteful number, since it uses less digits than its factorization.

438894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 701 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 438894 is about 662.4907546525. The cubic root of 438894 is about 75.9952674800.

The spelling of 438894 in words is "four hundred thirty-eight thousand, eight hundred ninety-four".