3840203 has 2 divisors, whose sum is σ = 3840204. Its totient is φ = 3840202.

The previous prime is 3840191. The next prime is 3840211. The reversal of 3840203 is 3020483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3840203 - 2⁶ = 3840139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3840253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920101 + 1920102.

It is an arithmetic number, because the mean of its divisors is an integer number (1920102).

Almost surely, 2^3840203 is an apocalyptic number.

3840203 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840203 is an equidigital number, since it uses as much as digits as its factorization.

3840203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3840203 is about 1959.6435900439. The cubic root of 3840203 is about 156.5974650361.

Adding to 3840203 its reverse (3020483), we get a palindrome (6860686).

The spelling of 3840203 in words is "three million, eight hundred forty thousand, two hundred three".