19684096 has 36 divisors (see below), whose sum is σ = 41611752. Its totient is φ = 9261056.

The previous prime is 19684087. The next prime is 19684097. The reversal of 19684096 is 69048691.

It is not an unprimeable number, because it can be changed into a prime (19684097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091 + ... + 6613.

It is an arithmetic number, because the mean of its divisors is an integer number (1155882).

Almost surely, 2^19684096 is an apocalyptic number.

19684096 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 19684096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20805876).

19684096 is an abundant number, since it is smaller than the sum of its proper divisors (21927656).

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

19684096 is an equidigital number, since it uses as much as digits as its factorization.

19684096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556 (or 4542 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 19684096 is about 4436.6762333982. The cubic root of 19684096 is about 270.0050113382.

The spelling of 19684096 in words is "nineteen million, six hundred eighty-four thousand, ninety-six".