438103 has 4 divisors (see below), whose sum is σ = 453240. Its totient is φ = 422968.

The previous prime is 438091. The next prime is 438131. The reversal of 438103 is 301834.

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

It is a cyclic number.

It is not a de Polignac number, because 438103 - 2¹³ = 429911 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7525 + ... + 7582.

It is an arithmetic number, because the mean of its divisors is an integer number (113310).

2⁴³⁸¹⁰³ is an apocalyptic number.

438103 is a deficient number, since it is larger than the sum of its proper divisors (15137).

438103 is a wasteful number, since it uses less digits than its factorization.

438103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15136.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 438103 is about 661.8934959644. The cubic root of 438103 is about 75.9495856788.

Adding to 438103 its reverse (301834), we get a palindrome (739937).

The spelling of 438103 in words is "four hundred thirty-eight thousand, one hundred three".