19128944 has 20 divisors (see below), whose sum is σ = 39243024. Its totient is φ = 9001728.

The previous prime is 19128931. The next prime is 19128959. The reversal of 19128944 is 44982191.

It is a junction number, because it is equal to n+sod(n) for n = 19128898 and 19128907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34892 + ... + 35435.

Almost surely, 2^19128944 is an apocalyptic number.

It is an amenable number.

19128944 is an abundant number, since it is smaller than the sum of its proper divisors (20114080).

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

19128944 is a wasteful number, since it uses less digits than its factorization.

19128944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70352 (or 70346 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 19128944 is about 4373.6648248351. The cubic root of 19128944 is about 267.4424437266.

The spelling of 19128944 in words is "nineteen million, one hundred twenty-eight thousand, nine hundred forty-four".