438384244 has 6 divisors (see below), whose sum is σ = 767172434. Its totient is φ = 219192120.

The previous prime is 438384239. The next prime is 438384277. The reversal of 438384244 is 442483834.

It can be written as a sum of positive squares in only one way, i.e., 321484900 + 116899344 = 17930^2 + 10812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 438384197 and 438384206.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 54798027 + ... + 54798034.

Almost surely, 2^438384244 is an apocalyptic number.

It is an amenable number.

438384244 is a deficient number, since it is larger than the sum of its proper divisors (328788190).

438384244 is a wasteful number, since it uses less digits than its factorization.

438384244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109596065 (or 109596063 counting only the distinct ones).

The product of its digits is 294912, while the sum is 40.

The square root of 438384244 is about 20937.6274682687. The cubic root of 438384244 is about 759.6583436621.

The spelling of 438384244 in words is "four hundred thirty-eight million, three hundred eighty-four thousand, two hundred forty-four".