3944900 has 36 divisors (see below), whose sum is σ = 8666112. Its totient is φ = 1558560.

The previous prime is 3944881. The next prime is 3944909. The reversal of 3944900 is 94493.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3944909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10109 + ... + 10491.

Almost surely, 2^3944900 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 3944900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4333056).

3944900 is an abundant number, since it is smaller than the sum of its proper divisors (4721212).

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

3944900 is a wasteful number, since it uses less digits than its factorization.

3944900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3944900 is about 1986.1772327766. The cubic root of 3944900 is about 158.0078509158.

The spelling of 3944900 in words is "three million, nine hundred forty-four thousand, nine hundred".