3970566 has 16 divisors (see below), whose sum is σ = 8823600. Its totient is φ = 1323504.

The previous prime is 3970531. The next prime is 3970567. The reversal of 3970566 is 6650793.

It is a happy number.

3970566 is a `hidden beast` number, since 3 + 97 + 0 + 566 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3970566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36711 + ... + 36818.

It is an arithmetic number, because the mean of its divisors is an integer number (551475).

Almost surely, 2^3970566 is an apocalyptic number.

3970566 is an abundant number, since it is smaller than the sum of its proper divisors (4853034).

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

3970566 is a wasteful number, since it uses less digits than its factorization.

3970566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73540 (or 73534 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 3970566 is about 1992.6279130836. The cubic root of 3970566 is about 158.3497832093.

The spelling of 3970566 in words is "three million, nine hundred seventy thousand, five hundred sixty-six".