3505985604 has 72 divisors (see below), whose sum is σ = 9903872160. Its totient is φ = 1036502400.

The previous prime is 3505985591. The next prime is 3505985627. The reversal of 3505985604 is 4065895053.

3505985604 is a `hidden beast` number, since 3 + 5 + 0 + 598 + 56 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3505985604.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 91734 + ... + 124205.

It is an arithmetic number, because the mean of its divisors is an integer number (137553780).

Almost surely, 2^3505985604 is an apocalyptic number.

It is an amenable number.

3505985604 is an abundant number, since it is smaller than the sum of its proper divisors (6397886556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3505985604 is a wasteful number, since it uses less digits than its factorization.

3505985604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216001 (or 215996 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 3505985604 is about 59211.3638079719. The cubic root of 3505985604 is about 1519.1595082077.

The spelling of 3505985604 in words is "three billion, five hundred five million, nine hundred eighty-five thousand, six hundred four".