3982605 has 16 divisors (see below), whose sum is σ = 6951744. Its totient is φ = 1930880.

The previous prime is 3982597. The next prime is 3982631. The reversal of 3982605 is 5062893.

It is a happy number.

3982605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3982605 - 2³ = 3982597 is a prime.

It is a super-2 number, since 2×3982605² = 31722285172050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11904 + ... + 12233.

It is an arithmetic number, because the mean of its divisors is an integer number (434484).

Almost surely, 2^3982605 is an apocalyptic number.

It is an amenable number.

3982605 is a deficient number, since it is larger than the sum of its proper divisors (2969139).

3982605 is a wasteful number, since it uses less digits than its factorization.

3982605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24156.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3982605 is about 1995.6465117851. The cubic root of 3982605 is about 158.5096638185.

It can be divided in two parts, 398 and 2605, that added together give a palindrome (3003).

The spelling of 3982605 in words is "three million, nine hundred eighty-two thousand, six hundred five".