19789696 has 32 divisors (see below), whose sum is σ = 39627000. Its totient is φ = 9844224.

The previous prime is 19789691. The next prime is 19789727. The reversal of 19789696 is 69698791.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19789691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44451 + ... + 44893.

Almost surely, 2^19789696 is an apocalyptic number.

19789696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19789696 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

19789696 is an equidigital number, since it uses as much as digits as its factorization.

19789696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 794 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 55.

The square root of 19789696 is about 4448.5611156867. The cubic root of 19789696 is about 270.4869857743.

The spelling of 19789696 in words is "nineteen million, seven hundred eighty-nine thousand, six hundred ninety-six".