438332 has 6 divisors (see below), whose sum is σ = 767088. Its totient is φ = 219164.

The previous prime is 438329. The next prime is 438341. The reversal of 438332 is 233834.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 438298 and 438307.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 438332.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54788 + ... + 54795.

It is an arithmetic number, because the mean of its divisors is an integer number (127848).

2⁴³⁸³³² is an apocalyptic number.

It is an amenable number.

438332 is a deficient number, since it is larger than the sum of its proper divisors (328756).

438332 is a wasteful number, since it uses less digits than its factorization.

438332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109587 (or 109585 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 438332 is about 662.0664619206. The cubic root of 438332 is about 75.9628165291.

The spelling of 438332 in words is "four hundred thirty-eight thousand, three hundred thirty-two".