1988203 has 8 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 1697640.

The previous prime is 1988197. The next prime is 1988219. The reversal of 1988203 is 3028891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1988203 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 (1988243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (285120).

2^1988203 is an apocalyptic number.

1988203 is a deficient number, since it is larger than the sum of its proper divisors (292757).

1988203 is an equidigital number, since it uses as much as digits as its factorization.

1988203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1988203 is about 1410.0365243496. The cubic root of 1988203 is about 125.7438948483.

The spelling of 1988203 in words is "one million, nine hundred eighty-eight thousand, two hundred three".