19148448 has 48 divisors (see below), whose sum is σ = 54837216. Its totient is φ = 5802240.

The previous prime is 19148431. The next prime is 19148471. The reversal of 19148448 is 84484191.

It is a tau number, because it is divible by the number of its divisors (48).

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, 8011 + ... + 10122.

It is an arithmetic number, because the mean of its divisors is an integer number (1142442).

Almost surely, 2^19148448 is an apocalyptic number.

It is an amenable number.

19148448 is an abundant number, since it is smaller than the sum of its proper divisors (35688768).

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

19148448 is a wasteful number, since it uses less digits than its factorization.

19148448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18157 (or 18149 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 19148448 is about 4375.8939658086. The cubic root of 19148448 is about 267.5333082232.

The spelling of 19148448 in words is "nineteen million, one hundred forty-eight thousand, four hundred forty-eight".