19112328 has 64 divisors (see below), whose sum is σ = 55896000. Its totient is φ = 6034176.

The previous prime is 19112323. The next prime is 19112329. The reversal of 19112328 is 82321191.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (19112321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1776 + ... + 6432.

It is an arithmetic number, because the mean of its divisors is an integer number (873375).

Almost surely, 2^19112328 is an apocalyptic number.

19112328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19112328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27948000).

19112328 is an abundant number, since it is smaller than the sum of its proper divisors (36783672).

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

19112328 is a wasteful number, since it uses less digits than its factorization.

19112328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691 (or 4681 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 19112328 is about 4371.7648610144. The cubic root of 19112328 is about 267.3649849997.

The spelling of 19112328 in words is "nineteen million, one hundred twelve thousand, three hundred twenty-eight".