3943451 has 2 divisors, whose sum is σ = 3943452. Its totient is φ = 3943450.

The previous prime is 3943427. The next prime is 3943481. The reversal of 3943451 is 1543493.

3943451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3943451 - 2¹⁴ = 3927067 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3943481) 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 as a sum of consecutive naturals, namely, 1971725 + 1971726.

It is an arithmetic number, because the mean of its divisors is an integer number (1971726).

Almost surely, 2^3943451 is an apocalyptic number.

3943451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3943451 is an equidigital number, since it uses as much as digits as its factorization.

3943451 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3943451 is about 1985.8124282016. The cubic root of 3943451 is about 157.9885026083.

The spelling of 3943451 in words is "three million, nine hundred forty-three thousand, four hundred fifty-one".