438970168 has 128 divisors (see below), whose sum is σ = 1068318720. Its totient is φ = 164436480.

The previous prime is 438970163. The next prime is 438970171. The reversal of 438970168 is 861079834.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438970163) 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 31 ways as a sum of consecutive naturals, for example, 1195921 + ... + 1196287.

It is an arithmetic number, because the mean of its divisors is an integer number (8346240).

Almost surely, 2^438970168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438970168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534159360).

438970168 is an abundant number, since it is smaller than the sum of its proper divisors (629348552).

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

438970168 is a wasteful number, since it uses less digits than its factorization.

438970168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 438970168 is about 20951.6149258237. The cubic root of 438970168 is about 759.9966343341.

The spelling of 438970168 in words is "four hundred thirty-eight million, nine hundred seventy thousand, one hundred sixty-eight".