3974717 has 2 divisors, whose sum is σ = 3974718. Its totient is φ = 3974716.

The previous prime is 3974713. The next prime is 3974723. The reversal of 3974717 is 7174793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3865156 + 109561 = 1966^2 + 331^2 .

It is an emirp because it is prime and its reverse (7174793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3974717 - 2² = 3974713 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3974713) 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 as a sum of consecutive naturals, namely, 1987358 + 1987359.

It is an arithmetic number, because the mean of its divisors is an integer number (1987359).

Almost surely, 2^3974717 is an apocalyptic number.

It is an amenable number.

3974717 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974717 is an equidigital number, since it uses as much as digits as its factorization.

3974717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 38.

The square root of 3974717 is about 1993.6692303389. The cubic root of 3974717 is about 158.4049458757.

The spelling of 3974717 in words is "three million, nine hundred seventy-four thousand, seven hundred seventeen".