3970556 has 12 divisors (see below), whose sum is σ = 7014168. Its totient is φ = 1966512.

The previous prime is 3970531. The next prime is 3970567. The reversal of 3970556 is 6550793.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4211 + ... + 5066.

It is an arithmetic number, because the mean of its divisors is an integer number (584514).

Almost surely, 2^3970556 is an apocalyptic number.

It is an amenable number.

3970556 is a deficient number, since it is larger than the sum of its proper divisors (3043612).

3970556 is a wasteful number, since it uses less digits than its factorization.

3970556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9388 (or 9386 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 3970556 is about 1992.6254038328. The cubic root of 3970556 is about 158.3496502729.

The spelling of 3970556 in words is "three million, nine hundred seventy thousand, five hundred fifty-six".