4007982 has 16 divisors (see below), whose sum is σ = 8744832. Its totient is φ = 1214520.

The previous prime is 4007981. The next prime is 4007999. The reversal of 4007982 is 2897004.

4007982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4007981) 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, 30298 + ... + 30429.

It is an arithmetic number, because the mean of its divisors is an integer number (546552).

Almost surely, 2^4007982 is an apocalyptic number.

4007982 is an abundant number, since it is smaller than the sum of its proper divisors (4736850).

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

4007982 is a wasteful number, since it uses less digits than its factorization.

4007982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60743.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 4007982 is about 2001.9945054870. The cubic root of 4007982 is about 158.8456236672.

The spelling of 4007982 in words is "four million, seven thousand, nine hundred eighty-two".