3906472585 has 8 divisors (see below), whose sum is σ = 4963518216. Its totient is φ = 2941344000.

The previous prime is 3906472573. The next prime is 3906472589. The reversal of 3906472585 is 5852746093.

It can be written as a sum of positive squares in 4 ways, for example, as 490888336 + 3415584249 = 22156^2 + 58443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3906472585 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3906472589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22979166 + ... + 22979335.

It is an arithmetic number, because the mean of its divisors is an integer number (620439777).

Almost surely, 2^3906472585 is an apocalyptic number.

It is an amenable number.

3906472585 is a deficient number, since it is larger than the sum of its proper divisors (1057045631).

3906472585 is a wasteful number, since it uses less digits than its factorization.

3906472585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45958523.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 3906472585 is about 62501.7806546342. The cubic root of 3906472585 is about 1574.9312253500.

The spelling of 3906472585 in words is "three billion, nine hundred six million, four hundred seventy-two thousand, five hundred eighty-five".