1940203 has 4 divisors (see below), whose sum is σ = 1985368. Its totient is φ = 1895040.

The previous prime is 1940201. The next prime is 1940219. The reversal of 1940203 is 3020491.

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 1940203 - 2¹ = 1940201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940201) 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, 22518 + ... + 22603.

It is an arithmetic number, because the mean of its divisors is an integer number (496342).

2^1940203 is an apocalyptic number.

1940203 is a deficient number, since it is larger than the sum of its proper divisors (45165).

1940203 is an equidigital number, since it uses as much as digits as its factorization.

1940203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45164.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1940203 is about 1392.9116985653. The cubic root of 1940203 is about 124.7237204735.

Adding to 1940203 its reverse (3020491), we get a palindrome (4960694).

The spelling of 1940203 in words is "one million, nine hundred forty thousand, two hundred three".