19882368 has 128 divisors (see below), whose sum is σ = 64137600. Its totient is φ = 6013440.

The previous prime is 19882361. The next prime is 19882393. The reversal of 19882368 is 86328891.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19882361) 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, 37755 + ... + 38277.

It is an arithmetic number, because the mean of its divisors is an integer number (501075).

Almost surely, 2^19882368 is an apocalyptic number.

19882368 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 19882368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32068800).

19882368 is an abundant number, since it is smaller than the sum of its proper divisors (44255232).

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

19882368 is a wasteful number, since it uses less digits than its factorization.

19882368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 539 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 19882368 is about 4458.9649023064. The cubic root of 19882368 is about 270.9085442769.

It can be divided in two parts, 198823 and 68, that added together give a palindrome (198891).

The spelling of 19882368 in words is "nineteen million, eight hundred eighty-two thousand, three hundred sixty-eight".