3605680 has 40 divisors (see below), whose sum is σ = 9030672. Its totient is φ = 1330944.

The previous prime is 3605671. The next prime is 3605711. The reversal of 3605680 is 865063.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694 + ... + 2773.

Almost surely, 2^3605680 is an apocalyptic number.

It is an amenable number.

3605680 is an abundant number, since it is smaller than the sum of its proper divisors (5424992).

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

3605680 is a wasteful number, since it uses less digits than its factorization.

3605680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493 (or 3487 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3605680 is about 1898.8628175832. The cubic root of 3605680 is about 153.3424485234.

Adding to 3605680 its product of nonzero digits (4320), we get a square (3610000 = 1900²).

The spelling of 3605680 in words is "three million, six hundred five thousand, six hundred eighty".