19930848 has 144 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 5370624.

The previous prime is 19930847. The next prime is 19930871. The reversal of 19930848 is 84803991.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19930843) 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, 89265 + ... + 89487.

It is an arithmetic number, because the mean of its divisors is an integer number (446880).

Almost surely, 2^19930848 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 19930848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32175360).

19930848 is an abundant number, since it is smaller than the sum of its proper divisors (44419872).

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

19930848 is a wasteful number, since it uses less digits than its factorization.

19930848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 19930848 is about 4464.3978317350. The cubic root of 19930848 is about 271.1285547218.

The spelling of 19930848 in words is "nineteen million, nine hundred thirty thousand, eight hundred forty-eight".