3944448 has 78 divisors (see below), whose sum is σ = 11500164. Its totient is φ = 1302528.

The previous prime is 3944441. The next prime is 3944449. The reversal of 3944448 is 8444493.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3944441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36811 + ... + 36917.

It is an arithmetic number, because the mean of its divisors is an integer number (147438).

Almost surely, 2^3944448 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 3944448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5750082).

3944448 is an abundant number, since it is smaller than the sum of its proper divisors (7555716).

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

3944448 is a wasteful number, since it uses less digits than its factorization.

3944448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 112 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 3944448 is about 1986.0634430954. The cubic root of 3944448 is about 158.0018159274.

The spelling of 3944448 in words is "three million, nine hundred forty-four thousand, four hundred forty-eight".