393926884939 has 16 divisors (see below), whose sum is σ = 464750872576. Its totient is φ = 326741299200.

The previous prime is 393926884913. The next prime is 393926884943. The reversal of 393926884939 is 939488629393.

It is a cyclic number.

It is not a de Polignac number, because 393926884939 - 2⁹ = 393926884427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393926884969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4960504 + ... + 5039290.

It is an arithmetic number, because the mean of its divisors is an integer number (29046929536).

Almost surely, 2^393926884939 is an apocalyptic number.

393926884939 is a deficient number, since it is larger than the sum of its proper divisors (70823987637).

393926884939 is a wasteful number, since it uses less digits than its factorization.

393926884939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101866.

The product of its digits is 544195584, while the sum is 73.

The spelling of 393926884939 in words is "three hundred ninety-three billion, nine hundred twenty-six million, eight hundred eighty-four thousand, nine hundred thirty-nine".