438163 has 8 divisors (see below), whose sum is σ = 486576. Its totient is φ = 391200.

The previous prime is 438143. The next prime is 438169. The reversal of 438163 is 361834.

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

It is a cyclic number.

It is not a de Polignac number, because 438163 - 2⁵ = 438131 is a prime.

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

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (438169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (60822).

2⁴³⁸¹⁶³ is an apocalyptic number.

438163 is a deficient number, since it is larger than the sum of its proper divisors (48413).

438163 is a wasteful number, since it uses less digits than its factorization.

438163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its digits is 1728, while the sum is 25.

The square root of 438163 is about 661.9388189251. The cubic root of 438163 is about 75.9530527228.

Adding to 438163 its reverse (361834), we get a palindrome (799997).

It can be divided in two parts, 4381 and 63, that added together give a palindrome (4444).

The spelling of 438163 in words is "four hundred thirty-eight thousand, one hundred sixty-three".