3943495398 has 16 divisors (see below), whose sum is σ = 7895994480. Its totient is φ = 1312997856.

The previous prime is 3943495363. The next prime is 3943495403. The reversal of 3943495398 is 8935943493.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 369453 + ... + 379976.

It is an arithmetic number, because the mean of its divisors is an integer number (493499655).

Almost surely, 2^3943495398 is an apocalyptic number.

3943495398 is an abundant number, since it is smaller than the sum of its proper divisors (3952499082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3943495398 is a wasteful number, since it uses less digits than its factorization.

3943495398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750311.

The product of its digits is 12597120, while the sum is 57.

The square root of 3943495398 is about 62797.2562935675. The cubic root of 3943495398 is about 1579.8909551940.

The spelling of 3943495398 in words is "three billion, nine hundred forty-three million, four hundred ninety-five thousand, three hundred ninety-eight".