3945341 has 2 divisors, whose sum is σ = 3945342. Its totient is φ = 3945340.

The previous prime is 3945329. The next prime is 3945349. The reversal of 3945341 is 1435493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3916441 + 28900 = 1979^2 + 170^2 .

It is an emirp because it is prime and its reverse (1435493) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3945341 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3945349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972670 + 1972671.

It is an arithmetic number, because the mean of its divisors is an integer number (1972671).

Almost surely, 2^3945341 is an apocalyptic number.

It is an amenable number.

3945341 is a deficient number, since it is larger than the sum of its proper divisors (1).

3945341 is an equidigital number, since it uses as much as digits as its factorization.

3945341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 3945341 is about 1986.2882469571. The cubic root of 3945341 is about 158.0137385906.

The spelling of 3945341 in words is "three million, nine hundred forty-five thousand, three hundred forty-one".