3982689 has 10 divisors (see below), whose sum is σ = 5949570. Its totient is φ = 2655072.

The previous prime is 3982687. The next prime is 3982691. The reversal of 3982689 is 9862893.

3982689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3982687) and next prime (3982691).

It can be written as a sum of positive squares in only one way, i.e., 3640464 + 342225 = 1908^2 + 585^2 .

It is not a de Polignac number, because 3982689 - 2¹ = 3982687 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3982687) 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 9 ways as a sum of consecutive naturals, for example, 24504 + ... + 24665.

It is an arithmetic number, because the mean of its divisors is an integer number (594957).

Almost surely, 2^3982689 is an apocalyptic number.

It is an amenable number.

3982689 is a deficient number, since it is larger than the sum of its proper divisors (1966881).

3982689 is an equidigital number, since it uses as much as digits as its factorization.

3982689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49181 (or 49172 counting only the distinct ones).

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

The square root of 3982689 is about 1995.6675574855. The cubic root of 3982689 is about 158.5107782246.

It can be divided in two parts, 39 and 82689, that added together give a palindrome (82728).

The spelling of 3982689 in words is "three million, nine hundred eighty-two thousand, six hundred eighty-nine".