438708 has 12 divisors (see below), whose sum is σ = 1023680. Its totient is φ = 146232.

The previous prime is 438707. The next prime is 438721. The reversal of 438708 is 807834.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18268 + ... + 18291.

2⁴³⁸⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

438708 is an abundant number, since it is smaller than the sum of its proper divisors (584972).

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

438708 is a wasteful number, since it uses less digits than its factorization.

438708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36566 (or 36564 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 438708 is about 662.3503604589. The cubic root of 438708 is about 75.9845305542.

The spelling of 438708 in words is "four hundred thirty-eight thousand, seven hundred eight".