3960666 has 24 divisors (see below), whose sum is σ = 8648640. Its totient is φ = 1309896.

The previous prime is 3960631. The next prime is 3960667. The reversal of 3960666 is 6660693.

It is a self number, because there is not a number n which added to its sum of digits gives 3960666.

It is not an unprimeable number, because it can be changed into a prime (3960667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1711 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 2^3960666 is an apocalyptic number.

3960666 is an abundant number, since it is smaller than the sum of its proper divisors (4687974).

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

3960666 is a wasteful number, since it uses less digits than its factorization.

3960666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 3960666 is about 1990.1422059742. The cubic root of 3960666 is about 158.2180666756.

The spelling of 3960666 in words is "three million, nine hundred sixty thousand, six hundred sixty-six".