2103404 has 12 divisors (see below), whose sum is σ = 3691128. Its totient is φ = 1048800.

The previous prime is 2103403. The next prime is 2103407. The reversal of 2103404 is 4043012.

It is not an unprimeable number, because it can be changed into a prime (2103403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384 + ... + 3144.

It is an arithmetic number, because the mean of its divisors is an integer number (307594).

2^2103404 is an apocalyptic number.

It is an amenable number.

2103404 is a deficient number, since it is larger than the sum of its proper divisors (1587724).

2103404 is a wasteful number, since it uses less digits than its factorization.

2103404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2103404 is about 1450.3116906376. The cubic root of 2103404 is about 128.1270710750.

Adding to 2103404 its reverse (4043012), we get a palindrome (6146416).

The spelling of 2103404 in words is "two million, one hundred three thousand, four hundred four".