19683696 has 80 divisors (see below), whose sum is σ = 54282240. Its totient is φ = 6128640.

The previous prime is 19683683. The next prime is 19683701. The reversal of 19683696 is 69638691.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 102961 + ... + 103151.

It is an arithmetic number, because the mean of its divisors is an integer number (678528).

Almost surely, 2^19683696 is an apocalyptic number.

19683696 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 19683696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27141120).

19683696 is an abundant number, since it is smaller than the sum of its proper divisors (34598544).

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

19683696 is a wasteful number, since it uses less digits than its factorization.

19683696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 328 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 19683696 is about 4436.6311543783. The cubic root of 19683696 is about 270.0031824042.

The spelling of 19683696 in words is "nineteen million, six hundred eighty-three thousand, six hundred ninety-six".