19896 has 16 divisors (see below), whose sum is σ = 49800. Its totient is φ = 6624.

The previous prime is 19891. The next prime is 19913. The reversal of 19896 is 69891.

It is a happy number.

19896 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19891) 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, 391 + ... + 438.

2¹⁹⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

19896 is an abundant number, since it is smaller than the sum of its proper divisors (29904).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24900).

19896 is a wasteful number, since it uses less digits than its factorization.

19896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 834 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 19896 is about 141.0531814600. The cubic root of 19896 is about 27.0970444710.

The spelling of 19896 in words is "nineteen thousand, eight hundred ninety-six".