3986982 has 20 divisors (see below), whose sum is σ = 8934156. Its totient is φ = 1328940.

The previous prime is 3986977. The next prime is 3986987. The reversal of 3986982 is 2896893.

It is an interprime number because it is at equal distance from previous prime (3986977) and next prime (3986987).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986987) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12144 + ... + 12467.

Almost surely, 2^3986982 is an apocalyptic number.

3986982 is an abundant number, since it is smaller than the sum of its proper divisors (4947174).

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

3986982 is a wasteful number, since it uses less digits than its factorization.

3986982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24625 (or 24616 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 3986982 is about 1996.7428477398. The cubic root of 3986982 is about 158.5677114854.

The spelling of 3986982 in words is "three million, nine hundred eighty-six thousand, nine hundred eighty-two".