438943344 has 80 divisors (see below), whose sum is σ = 1298702592. Its totient is φ = 125144064.

The previous prime is 438943319. The next prime is 438943357. The reversal of 438943344 is 443349834.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 438943296 and 438943305.

It is a congruent number.

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, 198147 + ... + 200349.

Almost surely, 2^438943344 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 438943344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649351296).

438943344 is an abundant number, since it is smaller than the sum of its proper divisors (859759248).

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

438943344 is a wasteful number, since it uses less digits than its factorization.

438943344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2808 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The square root of 438943344 is about 20950.9747744586. The cubic root of 438943344 is about 759.9811537340.

The spelling of 438943344 in words is "four hundred thirty-eight million, nine hundred forty-three thousand, three hundred forty-four".