3605988 has 12 divisors (see below), whose sum is σ = 8414000. Its totient is φ = 1201992.

The previous prime is 3605969. The next prime is 3605999. The reversal of 3605988 is 8895063.

3605988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3605988² = 26006298912288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150238 + ... + 150261.

Almost surely, 2^3605988 is an apocalyptic number.

It is an amenable number.

3605988 is an abundant number, since it is smaller than the sum of its proper divisors (4808012).

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

3605988 is a wasteful number, since it uses less digits than its factorization.

3605988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300506 (or 300504 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 3605988 is about 1898.9439170234. The cubic root of 3605988 is about 153.3468146097.

The spelling of 3605988 in words is "three million, six hundred five thousand, nine hundred eighty-eight".