3982387 has 4 divisors (see below), whose sum is σ = 3993840. Its totient is φ = 3970936.

The previous prime is 3982379. The next prime is 3982393. The reversal of 3982387 is 7832893.

It is a happy number.

3982387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3982387 - 2³ = 3982379 is a prime.

It is a Duffinian number.

3982387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3982397) 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 3 ways as a sum of consecutive naturals, for example, 5188 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (998460).

Almost surely, 2^3982387 is an apocalyptic number.

3982387 is a deficient number, since it is larger than the sum of its proper divisors (11453).

3982387 is a wasteful number, since it uses less digits than its factorization.

3982387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11452.

The product of its digits is 72576, while the sum is 40.

The square root of 3982387 is about 1995.5918921463. The cubic root of 3982387 is about 158.5067715962.

The spelling of 3982387 in words is "three million, nine hundred eighty-two thousand, three hundred eighty-seven".