3956197 has 4 divisors (see below), whose sum is σ = 4521376. Its totient is φ = 3391020.

The previous prime is 3956179. The next prime is 3956203. The reversal of 3956197 is 7916593.

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.

It is a cyclic number.

It is not a de Polignac number, because 3956197 - 2¹⁵ = 3923429 is a prime.

It is a Duffinian number.

3956197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282579 + ... + 282592.

It is an arithmetic number, because the mean of its divisors is an integer number (1130344).

Almost surely, 2^3956197 is an apocalyptic number.

It is an amenable number.

3956197 is a deficient number, since it is larger than the sum of its proper divisors (565179).

3956197 is an equidigital number, since it uses as much as digits as its factorization.

3956197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565178.

The product of its digits is 51030, while the sum is 40.

The square root of 3956197 is about 1989.0191049862. The cubic root of 3956197 is about 158.1585360606.

The spelling of 3956197 in words is "three million, nine hundred fifty-six thousand, one hundred ninety-seven".