3906447485 has 16 divisors (see below), whose sum is σ = 4884198912. Its totient is φ = 2996068800.

The previous prime is 3906447449. The next prime is 3906447497. The reversal of 3906447485 is 5847446093.

It is not a de Polignac number, because 3906447485 - 2³⁰ = 2832705661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 101186 + ... + 134355.

It is an arithmetic number, because the mean of its divisors is an integer number (305262432).

Almost surely, 2^3906447485 is an apocalyptic number.

It is an amenable number.

3906447485 is a deficient number, since it is larger than the sum of its proper divisors (977751427).

3906447485 is a wasteful number, since it uses less digits than its factorization.

3906447485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235684.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The square root of 3906447485 is about 62501.5798600323. The cubic root of 3906447485 is about 1574.9278522423.

The spelling of 3906447485 in words is "three billion, nine hundred six million, four hundred forty-seven thousand, four hundred eighty-five".