438241164 has 24 divisors (see below), whose sum is σ = 1082713968. Its totient is φ = 137487360.

The previous prime is 438241163. The next prime is 438241187. The reversal of 438241164 is 461142834.

It is a zygodrome in base 9.

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 7 ways as a sum of consecutive naturals, for example, 1073917 + ... + 1074324.

It is an arithmetic number, because the mean of its divisors is an integer number (45113082).

Almost surely, 2^438241164 is an apocalyptic number.

It is an amenable number.

438241164 is an abundant number, since it is smaller than the sum of its proper divisors (644472804).

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

438241164 is a wasteful number, since it uses less digits than its factorization.

438241164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148265 (or 2148263 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 438241164 is about 20934.2103744087. The cubic root of 438241164 is about 759.5756888188.

Adding to 438241164 its reverse (461142834), we get a palindrome (899383998).

The spelling of 438241164 in words is "four hundred thirty-eight million, two hundred forty-one thousand, one hundred sixty-four".