438150 has 48 divisors (see below), whose sum is σ = 1142784. Its totient is φ = 110880.

The previous prime is 438143. The next prime is 438169. The reversal of 438150 is 51834.

It is a Curzon number.

It is a plaindrome in base 13.

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 438150.

It is an unprimeable number.

438150 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3387 + ... + 3513.

It is an arithmetic number, because the mean of its divisors is an integer number (23808).

2⁴³⁸¹⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571392).

438150 is an abundant number, since it is smaller than the sum of its proper divisors (704634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438150 is a wasteful number, since it uses less digits than its factorization.

438150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 438150 is about 661.9289992137. The cubic root of 438150 is about 75.9523015568.

Adding to 438150 its reverse (51834), we get a palindrome (489984).

The spelling of 438150 in words is "four hundred thirty-eight thousand, one hundred fifty".