3985610 has 16 divisors (see below), whose sum is σ = 7349832. Its totient is φ = 1555200.

The previous prime is 3985609. The next prime is 3985621. The reversal of 3985610 is 165893.

3985610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 954529 + 3031081 = 977^2 + 1741^2 .

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 4451 + ... + 5270.

Almost surely, 2^3985610 is an apocalyptic number.

3985610 is a deficient number, since it is larger than the sum of its proper divisors (3364222).

3985610 is a wasteful number, since it uses less digits than its factorization.

3985610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9769.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 3985610 is about 1996.3992586655. The cubic root of 3985610 is about 158.5495206283.

The spelling of 3985610 in words is "three million, nine hundred eighty-five thousand, six hundred ten".