3982720 has 96 divisors (see below), whose sum is σ = 11162880. Its totient is φ = 1354752.

The previous prime is 3982697. The next prime is 3982721. The reversal of 3982720 is 272893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982721) 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, 31297 + ... + 31423.

It is an arithmetic number, because the mean of its divisors is an integer number (116280).

Almost surely, 2^3982720 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 3982720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5581440).

3982720 is an abundant number, since it is smaller than the sum of its proper divisors (7180160).

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

3982720 is a wasteful number, since it uses less digits than its factorization.

3982720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3982720 is about 1995.6753242950. The cubic root of 3982720 is about 158.5111894896.

The spelling of 3982720 in words is "three million, nine hundred eighty-two thousand, seven hundred twenty".