438106 has 4 divisors (see below), whose sum is σ = 657162. Its totient is φ = 219052.

The previous prime is 438091. The next prime is 438131. The reversal of 438106 is 601834.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 410881 + 27225 = 641^2 + 165^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109525 + ... + 109528.

2⁴³⁸¹⁰⁶ is an apocalyptic number.

438106 is a deficient number, since it is larger than the sum of its proper divisors (219056).

438106 is a wasteful number, since it uses less digits than its factorization.

438106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219055.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 438106 is about 661.8957621862. The cubic root of 438106 is about 75.9497590385.

The spelling of 438106 in words is "four hundred thirty-eight thousand, one hundred six".