3970897 has 8 divisors (see below), whose sum is σ = 4553856. Its totient is φ = 3391872.

The previous prime is 3970859. The next prime is 3970903. The reversal of 3970897 is 7980793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3970897 - 2¹⁹ = 3446609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3970097) 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, 1668 + ... + 3274.

It is an arithmetic number, because the mean of its divisors is an integer number (569232).

Almost surely, 2^3970897 is an apocalyptic number.

It is an amenable number.

3970897 is a deficient number, since it is larger than the sum of its proper divisors (582959).

3970897 is a wasteful number, since it uses less digits than its factorization.

3970897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 3970897 is about 1992.7109675013. The cubic root of 3970897 is about 158.3541832807.

The spelling of 3970897 in words is "three million, nine hundred seventy thousand, eight hundred ninety-seven".