3942982 has 8 divisors (see below), whose sum is σ = 6171696. Its totient is φ = 1885752.

The previous prime is 3942977. The next prime is 3942989. The reversal of 3942982 is 2892493.

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 (3942989) 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, 42813 + ... + 42904.

It is an arithmetic number, because the mean of its divisors is an integer number (771462).

Almost surely, 2^3942982 is an apocalyptic number.

3942982 is a deficient number, since it is larger than the sum of its proper divisors (2228714).

3942982 is a wasteful number, since it uses less digits than its factorization.

3942982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85742.

The product of its digits is 31104, while the sum is 37.

The square root of 3942982 is about 1985.6943370015. The cubic root of 3942982 is about 157.9822390974.

The spelling of 3942982 in words is "three million, nine hundred forty-two thousand, nine hundred eighty-two".