3912197 has 4 divisors (see below), whose sum is σ = 3970656. Its totient is φ = 3853740.

The previous prime is 3912131. The next prime is 3912199. The reversal of 3912197 is 7912193.

It is a happy number.

3912197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 7912193 = 97 ⋅81569.

It is a cyclic number.

It is not a de Polignac number, because 3912197 - 2¹⁴ = 3895813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29129 + ... + 29262.

It is an arithmetic number, because the mean of its divisors is an integer number (992664).

Almost surely, 2^3912197 is an apocalyptic number.

It is an amenable number.

3912197 is a deficient number, since it is larger than the sum of its proper divisors (58459).

3912197 is an equidigital number, since it uses as much as digits as its factorization.

3912197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58458.

The product of its digits is 3402, while the sum is 32.

The square root of 3912197 is about 1977.9274506412. The cubic root of 3912197 is about 157.5700133840.

The spelling of 3912197 in words is "three million, nine hundred twelve thousand, one hundred ninety-seven".