438197168 has 80 divisors (see below), whose sum is σ = 928226304. Its totient is φ = 199603200.

The previous prime is 438197159. The next prime is 438197233. The reversal of 438197168 is 861791834.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930271 + ... + 1930497.

Almost surely, 2^438197168 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 438197168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464113152).

438197168 is an abundant number, since it is smaller than the sum of its proper divisors (490029136).

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

438197168 is a wasteful number, since it uses less digits than its factorization.

438197168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 438197168 is about 20933.1595321872. The cubic root of 438197168 is about 759.5502694735.

The spelling of 438197168 in words is "four hundred thirty-eight million, one hundred ninety-seven thousand, one hundred sixty-eight".