393846983385 has 32 divisors (see below), whose sum is σ = 648869695488. Its totient is φ = 203866644480.

The previous prime is 393846983377. The next prime is 393846983389. The reversal of 393846983385 is 583389648393.

393846983385 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 393846983385 - 2³ = 393846983377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (393846983389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1540377 + ... + 1777766.

It is an arithmetic number, because the mean of its divisors is an integer number (20277177984).

Almost surely, 2^393846983385 is an apocalyptic number.

It is an amenable number.

393846983385 is a deficient number, since it is larger than the sum of its proper divisors (255022712103).

393846983385 is a wasteful number, since it uses less digits than its factorization.

393846983385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318385.

The product of its digits is 403107840, while the sum is 69.

The spelling of 393846983385 in words is "three hundred ninety-three billion, eight hundred forty-six million, nine hundred eighty-three thousand, three hundred eighty-five".