438706944 has 216 divisors, whose sum is σ = 1385357792. Its totient is φ = 132710400.

The previous prime is 438706943. The next prime is 438706963. The reversal of 438706944 is 449607834.

It is a self number, because there is not a number n which added to its sum of digits gives 438706944.

It is not an unprimeable number, because it can be changed into a prime (438706943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2905269 + ... + 2905419.

Almost surely, 2^438706944 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 438706944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692678896).

438706944 is an abundant number, since it is smaller than the sum of its proper divisors (946650848).

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

438706944 is a wasteful number, since it uses less digits than its factorization.

438706944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 438706944 is about 20945.3322723704. The cubic root of 438706944 is about 759.8446958746.

The spelling of 438706944 in words is "four hundred thirty-eight million, seven hundred six thousand, nine hundred forty-four".