3944500 has 96 divisors (see below), whose sum is σ = 10483200. Its totient is φ = 1293600.

The previous prime is 3944497. The next prime is 3944503. The reversal of 3944500 is 54493.

It is an interprime number because it is at equal distance from previous prime (3944497) and next prime (3944503).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171489 + ... + 171511.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

Almost surely, 2^3944500 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 3944500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5241600).

3944500 is an abundant number, since it is smaller than the sum of its proper divisors (6538700).

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

3944500 is a wasteful number, since it uses less digits than its factorization.

3944500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3944500 is about 1986.0765342756. The cubic root of 3944500 is about 158.0025102416.

Adding to 3944500 its reverse (54493), we get a palindrome (3998993).

It can be divided in two parts, 3944 and 500, that added together give a palindrome (4444).

The spelling of 3944500 in words is "three million, nine hundred forty-four thousand, five hundred".