3861982 has 8 divisors (see below), whose sum is σ = 5802552. Its totient is φ = 1927800.

The previous prime is 3861967. The next prime is 3861983. The reversal of 3861982 is 2891683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432 + ... + 2812.

It is an arithmetic number, because the mean of its divisors is an integer number (725319).

Almost surely, 2^3861982 is an apocalyptic number.

3861982 is a deficient number, since it is larger than the sum of its proper divisors (1940570).

3861982 is a wasteful number, since it uses less digits than its factorization.

3861982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194.

The product of its digits is 20736, while the sum is 37.

The square root of 3861982 is about 1965.1926114251. The cubic root of 3861982 is about 156.8929449904.

Subtracting from 3861982 its reverse (2891683), we obtain a cube (970299 = 99³).

The spelling of 3861982 in words is "three million, eight hundred sixty-one thousand, nine hundred eighty-two".