3945066 has 16 divisors (see below), whose sum is σ = 7999104. Its totient is φ = 1296864.

The previous prime is 3945059. The next prime is 3945077. The reversal of 3945066 is 6605493.

It is a happy number.

3945066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4066 + ... + 4941.

It is an arithmetic number, because the mean of its divisors is an integer number (499944).

Almost surely, 2^3945066 is an apocalyptic number.

3945066 is an abundant number, since it is smaller than the sum of its proper divisors (4054038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3945066 is a wasteful number, since it uses less digits than its factorization.

3945066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 3945066 is about 1986.2190211555. The cubic root of 3945066 is about 158.0100671896.

It can be divided in two parts, 394 and 5066, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 3945066 in words is "three million, nine hundred forty-five thousand, sixty-six".