2104400 has 30 divisors (see below), whose sum is σ = 5056782. Its totient is φ = 841600.

The previous prime is 2104397. The next prime is 2104423. The reversal of 2104400 is 44012.

It can be written as a sum of positive squares in 3 ways, for example, as 287296 + 1817104 = 536^2 + 1348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2231 + ... + 3030.

2^2104400 is an apocalyptic number.

2104400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104400 is an abundant number, since it is smaller than the sum of its proper divisors (2952382).

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

2104400 is a wasteful number, since it uses less digits than its factorization.

2104400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2104400 is about 1450.6550244631. The cubic root of 2104400 is about 128.1472913822.

Adding to 2104400 its reverse (44012), we get a palindrome (2148412).

The spelling of 2104400 in words is "two million, one hundred four thousand, four hundred".