438241165 has 16 divisors (see below), whose sum is σ = 541588608. Its totient is φ = 340232256.

The previous prime is 438241163. The next prime is 438241187. The reversal of 438241165 is 561142834.

It is a cyclic number.

It is not a de Polignac number, because 438241165 - 2¹ = 438241163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 438241165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438241163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27264 + ... + 40246.

It is an arithmetic number, because the mean of its divisors is an integer number (33849288).

Almost surely, 2^438241165 is an apocalyptic number.

It is an amenable number.

438241165 is a deficient number, since it is larger than the sum of its proper divisors (103347443).

438241165 is a wasteful number, since it uses less digits than its factorization.

438241165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13188.

The product of its digits is 23040, while the sum is 34.

The square root of 438241165 is about 20934.2103982930. The cubic root of 438241165 is about 759.5756893966.

Adding to 438241165 its reverse (561142834), we get a palindrome (999383999).

The spelling of 438241165 in words is "four hundred thirty-eight million, two hundred forty-one thousand, one hundred sixty-five".