3959982 has 32 divisors (see below), whose sum is σ = 9478560. Its totient is φ = 1218240.

The previous prime is 3959981. The next prime is 3959983. The reversal of 3959982 is 2899593.

It is an interprime number because it is at equal distance from previous prime (3959981) and next prime (3959983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119 + ... + 3522.

It is an arithmetic number, because the mean of its divisors is an integer number (296205).

Almost surely, 2^3959982 is an apocalyptic number.

3959982 is an abundant number, since it is smaller than the sum of its proper divisors (5518578).

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

3959982 is a wasteful number, since it uses less digits than its factorization.

3959982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665 (or 5659 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 3959982 is about 1989.9703515379. The cubic root of 3959982 is about 158.2089581580.

The spelling of 3959982 in words is "three million, nine hundred fifty-nine thousand, nine hundred eighty-two".