438825 has 12 divisors (see below), whose sum is σ = 725648. Its totient is φ = 234000.

The previous prime is 438793. The next prime is 438827. The reversal of 438825 is 528834.

It is not a de Polignac number, because 438825 - 2⁵ = 438793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 438792 and 438801.

It is not an unprimeable number, because it can be changed into a prime (438827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2851 + ... + 3000.

2⁴³⁸⁸²⁵ is an apocalyptic number.

It is an amenable number.

438825 is a deficient number, since it is larger than the sum of its proper divisors (286823).

438825 is a wasteful number, since it uses less digits than its factorization.

438825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864 (or 5859 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 438825 is about 662.4386764071. The cubic root of 438825 is about 75.9912847809.

Subtracting 438825 from its reverse (528834), we obtain a palindrome (90009).

The spelling of 438825 in words is "four hundred thirty-eight thousand, eight hundred twenty-five".