3943423395 has 24 divisors (see below), whose sum is σ = 6964238736. Its totient is φ = 2063475648.

The previous prime is 3943423391. The next prime is 3943423397. The reversal of 3943423395 is 5933243493.

It is not a de Polignac number, because 3943423395 - 2² = 3943423391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3943423395.

It is not an unprimeable number, because it can be changed into a prime (3943423391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 824329 + ... + 829098.

It is an arithmetic number, because the mean of its divisors is an integer number (290176614).

Almost surely, 2^3943423395 is an apocalyptic number.

3943423395 is a deficient number, since it is larger than the sum of its proper divisors (3020815341).

3943423395 is a wasteful number, since it uses less digits than its factorization.

3943423395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653491 (or 1653488 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 45.

The square root of 3943423395 is about 62796.6829936104. The cubic root of 3943423395 is about 1579.8813395638.

The spelling of 3943423395 in words is "three billion, nine hundred forty-three million, four hundred twenty-three thousand, three hundred ninety-five".