3603641 has 4 divisors (see below), whose sum is σ = 3609984. Its totient is φ = 3597300.

The previous prime is 3603623. The next prime is 3603659. The reversal of 3603641 is 1463063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3603623) and next prime (3603659).

It is a cyclic number.

It is not a de Polignac number, because 3603641 - 2⁶ = 3603577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3003641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (902496).

Almost surely, 2^3603641 is an apocalyptic number.

It is an amenable number.

3603641 is a deficient number, since it is larger than the sum of its proper divisors (6343).

3603641 is an equidigital number, since it uses as much as digits as its factorization.

3603641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3603641 is about 1898.3258413665. The cubic root of 3603641 is about 153.3135381923.

The spelling of 3603641 in words is "three million, six hundred three thousand, six hundred forty-one".