438475 has 6 divisors (see below), whose sum is σ = 543740. Its totient is φ = 350760.

The previous prime is 438467. The next prime is 438479. The reversal of 438475 is 574834.

It is not a de Polignac number, because 438475 - 2³ = 438467 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 438475.

It is not an unprimeable number, because it can be changed into a prime (438479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8745 + ... + 8794.

2⁴³⁸⁴⁷⁵ is an apocalyptic number.

438475 is a deficient number, since it is larger than the sum of its proper divisors (105265).

438475 is a wasteful number, since it uses less digits than its factorization.

438475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17549 (or 17544 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 438475 is about 662.1744483140. The cubic root of 438475 is about 75.9710762513.

The spelling of 438475 in words is "four hundred thirty-eight thousand, four hundred seventy-five".