19438848 has 216 divisors, whose sum is σ = 66961440. Its totient is φ = 5345280.

The previous prime is 19438847. The next prime is 19438873. The reversal of 19438848 is 84883491.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19438847) 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, 329443 + ... + 329501.

Almost surely, 2^19438848 is an apocalyptic number.

19438848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19438848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33480720).

19438848 is an abundant number, since it is smaller than the sum of its proper divisors (47522592).

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

19438848 is a wasteful number, since it uses less digits than its factorization.

19438848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 88 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 19438848 is about 4408.9508956213. The cubic root of 19438848 is about 268.8789733940.

The spelling of 19438848 in words is "nineteen million, four hundred thirty-eight thousand, eight hundred forty-eight".