19982336 has 48 divisors (see below), whose sum is σ = 43636320. Its totient is φ = 9072640.

The previous prime is 19982317. The next prime is 19982341. The reversal of 19982336 is 63328991.

It is a junction number, because it is equal to n+sod(n) for n = 19982293 and 19982302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22085 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (909090).

Almost surely, 2^19982336 is an apocalyptic number.

19982336 is a gapful number since it is divisible by the number (16) 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 19982336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21818160).

19982336 is an abundant number, since it is smaller than the sum of its proper divisors (23653984).

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

19982336 is an equidigital number, since it uses as much as digits as its factorization.

19982336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 900 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 19982336 is about 4470.1606235123. The cubic root of 19982336 is about 271.3618256671.

It can be divided in two parts, 1998 and 2336, that added together give a palindrome (4334).

The spelling of 19982336 in words is "nineteen million, nine hundred eighty-two thousand, three hundred thirty-six".