2103504 has 40 divisors (see below), whose sum is σ = 5853792. Its totient is φ = 647040.

The previous prime is 2103503. The next prime is 2103523. The reversal of 2103504 is 4053012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062 + ... + 2309.

2^2103504 is an apocalyptic number.

2103504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2103504 is an abundant number, since it is smaller than the sum of its proper divisors (3750288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103504 is a wasteful number, since it uses less digits than its factorization.

2103504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2103504 is about 1450.3461655757. The cubic root of 2103504 is about 128.1291015145.

Adding to 2103504 its reverse (4053012), we get a palindrome (6156516).

The spelling of 2103504 in words is "two million, one hundred three thousand, five hundred four".