19848768 has 56 divisors (see below), whose sum is σ = 55290720. Its totient is φ = 6266880.

The previous prime is 19848743. The next prime is 19848779. The reversal of 19848768 is 86784891.

It is a super-2 number, since 2×19848768² = 787947182235648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19848768.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928 + ... + 6368.

Almost surely, 2^19848768 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 19848768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27645360).

19848768 is an abundant number, since it is smaller than the sum of its proper divisors (35441952).

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

19848768 is a wasteful number, since it uses less digits than its factorization.

19848768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475 (or 5465 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The square root of 19848768 is about 4455.1956186008. The cubic root of 19848768 is about 270.7558518766.

The spelling of 19848768 in words is "nineteen million, eight hundred forty-eight thousand, seven hundred sixty-eight".