3944896 has 28 divisors (see below), whose sum is σ = 7982712. Its totient is φ = 1933568.

The previous prime is 3944881. The next prime is 3944909. The reversal of 3944896 is 6984493.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811 + ... + 3973.

Almost surely, 2^3944896 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 3944896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991356).

3944896 is an abundant number, since it is smaller than the sum of its proper divisors (4037816).

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

3944896 is a wasteful number, since it uses less digits than its factorization.

3944896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1218 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 3944896 is about 1986.1762258168. The cubic root of 3944896 is about 158.0077975108.

The spelling of 3944896 in words is "three million, nine hundred forty-four thousand, eight hundred ninety-six".