3601644 has 12 divisors (see below), whose sum is σ = 8403864. Its totient is φ = 1200544.

The previous prime is 3601627. The next prime is 3601669. The reversal of 3601644 is 4461063.

3601644 is digitally balanced in base 5, 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150057 + ... + 150080.

It is an arithmetic number, because the mean of its divisors is an integer number (700322).

Almost surely, 2^3601644 is an apocalyptic number.

It is an amenable number.

3601644 is an abundant number, since it is smaller than the sum of its proper divisors (4802220).

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

3601644 is a wasteful number, since it uses less digits than its factorization.

3601644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300144 (or 300142 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3601644 is about 1897.7997786911. The cubic root of 3601644 is about 153.2852127932.

The spelling of 3601644 in words is "three million, six hundred one thousand, six hundred forty-four".