3945323 has 2 divisors, whose sum is σ = 3945324. Its totient is φ = 3945322.

The previous prime is 3945313. The next prime is 3945329. The reversal of 3945323 is 3235493.

It is a strong prime.

It is an emirp because it is prime and its reverse (3235493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3945323 - 2¹⁸ = 3683179 is a prime.

It is not a weakly prime, because it can be changed into another prime (3945329) 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, 1972661 + 1972662.

It is an arithmetic number, because the mean of its divisors is an integer number (1972662).

Almost surely, 2^3945323 is an apocalyptic number.

3945323 is a deficient number, since it is larger than the sum of its proper divisors (1).

3945323 is an equidigital number, since it uses as much as digits as its factorization.

3945323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 29.

The square root of 3945323 is about 1986.2837158875. The cubic root of 3945323 is about 158.0134982860.

The spelling of 3945323 in words is "three million, nine hundred forty-five thousand, three hundred twenty-three".