3946941243 has 32 divisors (see below), whose sum is σ = 6973209600. Its totient is φ = 2157331968.

The previous prime is 3946941241. The next prime is 3946941253. The reversal of 3946941243 is 3421496493.

It is not a de Polignac number, because 3946941243 - 2¹ = 3946941241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3946941241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449638 + ... + 458331.

It is an arithmetic number, because the mean of its divisors is an integer number (217912800).

Almost surely, 2^3946941243 is an apocalyptic number.

3946941243 is a deficient number, since it is larger than the sum of its proper divisors (3026268357).

3946941243 is a wasteful number, since it uses less digits than its factorization.

3946941243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908008 (or 908002 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 3946941243 is about 62824.6865730343. The cubic root of 3946941243 is about 1580.3509932979.

The spelling of 3946941243 in words is "three billion, nine hundred forty-six million, nine hundred forty-one thousand, two hundred forty-three".