3641203 has 4 divisors (see below), whose sum is σ = 3649000. Its totient is φ = 3633408.

The previous prime is 3641201. The next prime is 3641219. The reversal of 3641203 is 3021463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3641203 - 2¹ = 3641201 is a prime.

It is a Duffinian number.

3641203 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3641201) 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, 3150 + ... + 4147.

It is an arithmetic number, because the mean of its divisors is an integer number (912250).

Almost surely, 2^3641203 is an apocalyptic number.

3641203 is a deficient number, since it is larger than the sum of its proper divisors (7797).

3641203 is an equidigital number, since it uses as much as digits as its factorization.

3641203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3641203 is about 1908.1936484540. The cubic root of 3641203 is about 153.8443781269.

Adding to 3641203 its reverse (3021463), we get a palindrome (6662666).

It can be divided in two parts, 3641 and 203, that added together give a square (3844 = 62²).

The spelling of 3641203 in words is "three million, six hundred forty-one thousand, two hundred three".