19198848 has 96 divisors (see below), whose sum is σ = 54486360. Its totient is φ = 5988352.

The previous prime is 19198847. The next prime is 19198867. The reversal of 19198848 is 84889191.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 19198797 and 19198806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19198847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110890 + ... + 111062.

Almost surely, 2^19198848 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 19198848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27243180).

19198848 is an abundant number, since it is smaller than the sum of its proper divisors (35287512).

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

19198848 is a wasteful number, since it uses less digits than its factorization.

19198848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 195 counting only the distinct ones).

The product of its digits is 165888, while the sum is 48.

The square root of 19198848 is about 4381.6490046557. The cubic root of 19198848 is about 267.7678244622.

The spelling of 19198848 in words is "nineteen million, one hundred ninety-eight thousand, eight hundred forty-eight".