3985206355 has 16 divisors (see below), whose sum is σ = 5275728864. Its totient is φ = 2871141120.

The previous prime is 3985206353. The next prime is 3985206367. The reversal of 3985206355 is 5536025893.

It is not a de Polignac number, because 3985206355 - 2¹ = 3985206353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3985206353) 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 15 ways as a sum of consecutive naturals, for example, 745029 + ... + 750358.

It is an arithmetic number, because the mean of its divisors is an integer number (329733054).

Almost surely, 2^3985206355 is an apocalyptic number.

3985206355 is a deficient number, since it is larger than the sum of its proper divisors (1290522509).

3985206355 is a wasteful number, since it uses less digits than its factorization.

3985206355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495446.

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 3985206355 is about 63128.4908341709. The cubic root of 3985206355 is about 1585.4416804892.

The spelling of 3985206355 in words is "three billion, nine hundred eighty-five million, two hundred six thousand, three hundred fifty-five".