3870197 has 2 divisors, whose sum is σ = 3870198. Its totient is φ = 3870196.

The previous prime is 3870193. The next prime is 3870199. The reversal of 3870197 is 7910783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3865156 + 5041 = 1966^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 3870197 - 2² = 3870193 is a prime.

Together with 3870199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3870193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935098 + 1935099.

It is an arithmetic number, because the mean of its divisors is an integer number (1935099).

Almost surely, 2^3870197 is an apocalyptic number.

It is an amenable number.

3870197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870197 is an equidigital number, since it uses as much as digits as its factorization.

3870197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 3870197 is about 1967.2816270173. The cubic root of 3870197 is about 157.0041109449.

The spelling of 3870197 in words is "three million, eight hundred seventy thousand, one hundred ninety-seven".