3971682 has 48 divisors (see below), whose sum is σ = 10116288. Its totient is φ = 1110240.

The previous prime is 3971677. The next prime is 3971687. The reversal of 3971682 is 2861793.

3971682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3971677) and next prime (3971687).

It is not an unprimeable number, because it can be changed into a prime (3971687) 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 23 ways as a sum of consecutive naturals, for example, 1803 + ... + 3345.

It is an arithmetic number, because the mean of its divisors is an integer number (210756).

Almost surely, 2^3971682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3971682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5058144).

3971682 is an abundant number, since it is smaller than the sum of its proper divisors (6144606).

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

3971682 is a wasteful number, since it uses less digits than its factorization.

3971682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575 (or 1572 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3971682 is about 1992.9079256202. The cubic root of 3971682 is about 158.3646175179.

The spelling of 3971682 in words is "three million, nine hundred seventy-one thousand, six hundred eighty-two".