3966590 has 16 divisors (see below), whose sum is σ = 7231680. Its totient is φ = 1566240.

The previous prime is 3966583. The next prime is 3966607. The reversal of 3966590 is 956693.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1721 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (451980).

Almost surely, 2^3966590 is an apocalyptic number.

3966590 is a deficient number, since it is larger than the sum of its proper divisors (3265090).

3966590 is a wasteful number, since it uses less digits than its factorization.

3966590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 3966590 is about 1991.6299857152. The cubic root of 3966590 is about 158.2969100582.

The spelling of 3966590 in words is "three million, nine hundred sixty-six thousand, five hundred ninety".