3968896 has 32 divisors (see below), whose sum is σ = 8011080. Its totient is φ = 1958400.

The previous prime is 3968893. The next prime is 3968897. The reversal of 3968896 is 6988693.

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 (3968893) 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, 12775 + ... + 13081.

Almost surely, 2^3968896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3968896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4005540).

3968896 is an abundant number, since it is smaller than the sum of its proper divisors (4042184).

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

3968896 is a wasteful number, since it uses less digits than its factorization.

3968896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 410 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 3968896 is about 1992.2088243957. The cubic root of 3968896 is about 158.3275797232.

The spelling of 3968896 in words is "three million, nine hundred sixty-eight thousand, eight hundred ninety-six".