3604085811 has 12 divisors (see below), whose sum is σ = 5206440720. Its totient is φ = 2402475120.

The previous prime is 3604085803. The next prime is 3604085839. The reversal of 3604085811 is 1185804063.

3604085811 is a `hidden beast` number, since 36 + 0 + 40 + 8 + 581 + 1 = 666.

It is not a de Polignac number, because 3604085811 - 2³ = 3604085803 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3604085801) 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 11 ways as a sum of consecutive naturals, for example, 124801 + ... + 150941.

It is an arithmetic number, because the mean of its divisors is an integer number (433870060).

Almost surely, 2^3604085811 is an apocalyptic number.

3604085811 is a deficient number, since it is larger than the sum of its proper divisors (1602354909).

3604085811 is a wasteful number, since it uses less digits than its factorization.

3604085811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41466 (or 41463 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 3604085811 is about 60034.0387696847. The cubic root of 3604085811 is about 1533.1984595555.

Adding to 3604085811 its reverse (1185804063), we get a palindrome (4789889874).

The spelling of 3604085811 in words is "three billion, six hundred four million, eighty-five thousand, eight hundred eleven".