3985347025 has 12 divisors (see below), whose sum is σ = 5391087984. Its totient is φ = 2898434000.

The previous prime is 3985347013. The next prime is 3985347029. The reversal of 3985347025 is 5207435893.

It is not a de Polignac number, because 3985347025 - 2¹¹ = 3985344977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3985347029) 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 11 ways as a sum of consecutive naturals, for example, 7245811 + ... + 7246360.

It is an arithmetic number, because the mean of its divisors is an integer number (449257332).

Almost surely, 2^3985347025 is an apocalyptic number.

It is an amenable number.

3985347025 is a deficient number, since it is larger than the sum of its proper divisors (1405740959).

3985347025 is a wasteful number, since it uses less digits than its factorization.

3985347025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14492192 (or 14492187 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 3985347025 is about 63129.6049805478. The cubic root of 3985347025 is about 1585.4603346012.

It can be divided in two parts, 3 and 985347025, that added together give a triangular number (985347028 = T₄₄₃₉₂).

The spelling of 3985347025 in words is "three billion, nine hundred eighty-five million, three hundred forty-seven thousand, twenty-five".