3642203 has 2 divisors, whose sum is σ = 3642204. Its totient is φ = 3642202.

The previous prime is 3642157. The next prime is 3642209. The reversal of 3642203 is 3022463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3642203 - 2²⁰ = 2593627 is a prime.

It is not a weakly prime, because it can be changed into another prime (3642209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821101 + 1821102.

It is an arithmetic number, because the mean of its divisors is an integer number (1821102).

Almost surely, 2^3642203 is an apocalyptic number.

3642203 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642203 is an equidigital number, since it uses as much as digits as its factorization.

3642203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3642203 is about 1908.4556583793. The cubic root of 3642203 is about 153.8584604963.

Adding to 3642203 its reverse (3022463), we get a palindrome (6664666).

The spelling of 3642203 in words is "three million, six hundred forty-two thousand, two hundred three".