3983780 has 24 divisors (see below), whose sum is σ = 8858808. Its totient is φ = 1499648.

The previous prime is 3983773. The next prime is 3983789. The reversal of 3983780 is 873893.

3983780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 3936256 = 218^2 + 1984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3983789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5519 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (369117).

Almost surely, 2^3983780 is an apocalyptic number.

It is an amenable number.

3983780 is an abundant number, since it is smaller than the sum of its proper divisors (4875028).

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

3983780 is a wasteful number, since it uses less digits than its factorization.

3983780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743 (or 11741 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3983780 is about 1995.9408808880. The cubic root of 3983780 is about 158.5252508142.

The spelling of 3983780 in words is "three million, nine hundred eighty-three thousand, seven hundred eighty".