19728848 has 20 divisors (see below), whose sum is σ = 39887328. Its totient is φ = 9435360.

The previous prime is 19728847. The next prime is 19728853. The reversal of 19728848 is 84882791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19728847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26438 + ... + 27173.

Almost surely, 2^19728848 is an apocalyptic number.

It is an amenable number.

19728848 is an abundant number, since it is smaller than the sum of its proper divisors (20158480).

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

19728848 is a wasteful number, since it uses less digits than its factorization.

19728848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53642 (or 53636 counting only the distinct ones).

The product of its digits is 258048, while the sum is 47.

The square root of 19728848 is about 4441.7167852082. The cubic root of 19728848 is about 270.2094762130.

The spelling of 19728848 in words is "nineteen million, seven hundred twenty-eight thousand, eight hundred forty-eight".