3970297 has 4 divisors (see below), whose sum is σ = 4179280. Its totient is φ = 3761316.

The previous prime is 3970289. The next prime is 3970313. The reversal of 3970297 is 7920793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7920793 = 17 ⋅465929.

It is not a de Polignac number, because 3970297 - 2³ = 3970289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3970247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104463 + ... + 104500.

It is an arithmetic number, because the mean of its divisors is an integer number (1044820).

Almost surely, 2^3970297 is an apocalyptic number.

It is an amenable number.

3970297 is a deficient number, since it is larger than the sum of its proper divisors (208983).

3970297 is a wasteful number, since it uses less digits than its factorization.

3970297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208982.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 3970297 is about 1992.5604131368. The cubic root of 3970297 is about 158.3462071404.

The spelling of 3970297 in words is "three million, nine hundred seventy thousand, two hundred ninety-seven".