3970666 has 24 divisors (see below), whose sum is σ = 7157376. Its totient is φ = 1645560.

The previous prime is 3970657. The next prime is 3970679. The reversal of 3970666 is 6660793.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2385 + ... + 3691.

It is an arithmetic number, because the mean of its divisors is an integer number (298224).

Almost surely, 2^3970666 is an apocalyptic number.

3970666 is a deficient number, since it is larger than the sum of its proper divisors (3186710).

3970666 is a wasteful number, since it uses less digits than its factorization.

3970666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 3970666 is about 1992.6530054177. The cubic root of 3970666 is about 158.3511125618.

The spelling of 3970666 in words is "three million, nine hundred seventy thousand, six hundred sixty-six".