1948503 has 4 divisors (see below), whose sum is σ = 2598008. Its totient is φ = 1299000.

The previous prime is 1948493. The next prime is 1948511. The reversal of 1948503 is 3058491.

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

It is not a de Polignac number, because 1948503 - 2⁹ = 1947991 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948553) 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, 324748 + ... + 324753.

It is an arithmetic number, because the mean of its divisors is an integer number (649502).

2^1948503 is an apocalyptic number.

1948503 is a deficient number, since it is larger than the sum of its proper divisors (649505).

1948503 is an equidigital number, since it uses as much as digits as its factorization.

1948503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649504.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1948503 is about 1395.8878894811. The cubic root of 1948503 is about 124.9013194510.

The spelling of 1948503 in words is "one million, nine hundred forty-eight thousand, five hundred three".