3985403603 has 4 divisors (see below), whose sum is σ = 3987633120. Its totient is φ = 3983174088.

The previous prime is 3985403581. The next prime is 3985403621. The reversal of 3985403603 is 3063045893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3985403603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3985403623) 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 3 ways as a sum of consecutive naturals, for example, 1112075 + ... + 1115652.

It is an arithmetic number, because the mean of its divisors is an integer number (996908280).

Almost surely, 2^3985403603 is an apocalyptic number.

3985403603 is a deficient number, since it is larger than the sum of its proper divisors (2229517).

3985403603 is a wasteful number, since it uses less digits than its factorization.

3985403603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229516.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 3985403603 is about 63130.0530888419. The cubic root of 3985403603 is about 1585.4678372310.

The spelling of 3985403603 in words is "three billion, nine hundred eighty-five million, four hundred three thousand, six hundred three".