3681982 has 8 divisors (see below), whose sum is σ = 5537952. Its totient is φ = 1836000.

The previous prime is 3681967. The next prime is 3682031. The reversal of 3681982 is 2891863.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1494 + ... + 3097.

It is an arithmetic number, because the mean of its divisors is an integer number (692244).

Almost surely, 2^3681982 is an apocalyptic number.

3681982 is a deficient number, since it is larger than the sum of its proper divisors (1855970).

3681982 is a wasteful number, since it uses less digits than its factorization.

3681982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994.

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

The square root of 3681982 is about 1918.8491342469. The cubic root of 3681982 is about 154.4165648867.

The spelling of 3681982 in words is "three million, six hundred eighty-one thousand, nine hundred eighty-two".