438322 has 8 divisors (see below), whose sum is σ = 671616. Its totient is φ = 214452.

The previous prime is 438313. The next prime is 438329. The reversal of 438322 is 223834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 438293 and 438302.

It is not an unprimeable number, because it can be changed into a prime (438329) 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, 2238 + ... + 2425.

It is an arithmetic number, because the mean of its divisors is an integer number (83952).

2⁴³⁸³²² is an apocalyptic number.

438322 is a deficient number, since it is larger than the sum of its proper divisors (233294).

438322 is a wasteful number, since it uses less digits than its factorization.

438322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712.

The product of its digits is 1152, while the sum is 22.

The square root of 438322 is about 662.0589097656. The cubic root of 438322 is about 75.9622388589.

It can be divided in two parts, 43832 and 2, that added together give a palindrome (43834).

The spelling of 438322 in words is "four hundred thirty-eight thousand, three hundred twenty-two".