19683468 has 72 divisors (see below), whose sum is σ = 59870720. Its totient is φ = 5326560.

The previous prime is 19683457. The next prime is 19683473. The reversal of 19683468 is 86438691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2733 + ... + 6843.

Almost surely, 2^19683468 is an apocalyptic number.

19683468 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 19683468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29935360).

19683468 is an abundant number, since it is smaller than the sum of its proper divisors (40187252).

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

19683468 is a wasteful number, since it uses less digits than its factorization.

19683468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147 (or 4142 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 19683468 is about 4436.6054591320. The cubic root of 19683468 is about 270.0021399007.

The spelling of 19683468 in words is "nineteen million, six hundred eighty-three thousand, four hundred sixty-eight".