438856 has 16 divisors (see below), whose sum is σ = 897840. Its totient is φ = 199440.

The previous prime is 438853. The next prime is 438869. The reversal of 438856 is 658834.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (438853) 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, 2406 + ... + 2581.

It is an arithmetic number, because the mean of its divisors is an integer number (56115).

2⁴³⁸⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

438856 is an abundant number, since it is smaller than the sum of its proper divisors (458984).

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

438856 is a wasteful number, since it uses less digits than its factorization.

438856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004 (or 5000 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 438856 is about 662.4620743861. The cubic root of 438856 is about 75.9930741611.

It can be divided in two parts, 4388 and 56, that added together give a palindrome (4444).

The spelling of 438856 in words is "four hundred thirty-eight thousand, eight hundred fifty-six".