3944980 has 24 divisors (see below), whose sum is σ = 8922312. Its totient is φ = 1456512.

The previous prime is 3944953. The next prime is 3944987. The reversal of 3944980 is 894493.

It can be written as a sum of positive squares in 4 ways, for example, as 544644 + 3400336 = 738^2 + 1844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7327 + ... + 7846.

It is an arithmetic number, because the mean of its divisors is an integer number (371763).

Almost surely, 2^3944980 is an apocalyptic number.

It is an amenable number.

3944980 is an abundant number, since it is smaller than the sum of its proper divisors (4977332).

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

3944980 is a wasteful number, since it uses less digits than its factorization.

3944980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15195 (or 15193 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3944980 is about 1986.1973718641. The cubic root of 3944980 is about 158.0089190073.

The spelling of 3944980 in words is "three million, nine hundred forty-four thousand, nine hundred eighty".