2048403 has 16 divisors (see below), whose sum is σ = 3257856. Its totient is φ = 1119360.

The previous prime is 2048369. The next prime is 2048413. The reversal of 2048403 is 3048402.

It is a happy number.

It is not a de Polignac number, because 2048403 - 2⁶ = 2048339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

2048403 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2048403.

It is not an unprimeable number, because it can be changed into a prime (2048413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (203616).

2^2048403 is an apocalyptic number.

2048403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2048403 is a deficient number, since it is larger than the sum of its proper divisors (1209453).

2048403 is a wasteful number, since it uses less digits than its factorization.

2048403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2048403 is about 1431.2243010793. The cubic root of 2048403 is about 127.0004133328. Note that the first 3 decimals are identical.

Subtracting 2048403 from its reverse (3048402), we obtain a palindrome (999999).

The spelling of 2048403 in words is "two million, forty-eight thousand, four hundred three".