438638848 has 36 divisors (see below), whose sum is σ = 899247580. Its totient is φ = 213387264.

The previous prime is 438638831. The next prime is 438638881. The reversal of 438638848 is 848836834.

It can be written as a sum of positive squares in 2 ways, for example, as 376670464 + 61968384 = 19408^2 + 7872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 438638795 and 438638804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13683 + ... + 32626.

Almost surely, 2^438638848 is an apocalyptic number.

It is an amenable number.

438638848 is an abundant number, since it is smaller than the sum of its proper divisors (460608732).

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

438638848 is an equidigital number, since it uses as much as digits as its factorization.

438638848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46362 (or 46348 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 52.

The square root of 438638848 is about 20943.7066442404. The cubic root of 438638848 is about 759.8053795288.

It can be divided in two parts, 4386 and 38848, that added together give a palindrome (43234).

The spelling of 438638848 in words is "four hundred thirty-eight million, six hundred thirty-eight thousand, eight hundred forty-eight".