3603618 has 12 divisors (see below), whose sum is σ = 7807878. Its totient is φ = 1201200.

The previous prime is 3603583. The next prime is 3603619. The reversal of 3603618 is 8163063.

It can be written as a sum of positive squares in only one way, i.e., 3560769 + 42849 = 1887^2 + 207^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3603591 and 3603600.

It is not an unprimeable number, because it can be changed into a prime (3603619) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 100083 + ... + 100118.

Almost surely, 2^3603618 is an apocalyptic number.

3603618 is an abundant number, since it is smaller than the sum of its proper divisors (4204260).

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

3603618 is a wasteful number, since it uses less digits than its factorization.

3603618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200209 (or 200206 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3603618 is about 1898.3197833874. The cubic root of 3603618 is about 153.3132120205.

The spelling of 3603618 in words is "three million, six hundred three thousand, six hundred eighteen".