438008 has 8 divisors (see below), whose sum is σ = 821280. Its totient is φ = 219000.

The previous prime is 438001. The next prime is 438017. The reversal of 438008 is 800834.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27368 + ... + 27383.

It is an arithmetic number, because the mean of its divisors is an integer number (102660).

2⁴³⁸⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

438008 is a deficient number, since it is larger than the sum of its proper divisors (383272).

438008 is a wasteful number, since it uses less digits than its factorization.

438008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54757 (or 54753 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 438008 is about 661.8217282622. The cubic root of 438008 is about 75.9440955450.

The spelling of 438008 in words is "four hundred thirty-eight thousand, eight".