2104804600 has 48 divisors (see below), whose sum is σ = 4905545400. Its totient is φ = 839879040.

The previous prime is 2104804571. The next prime is 2104804627. The reversal of 2104804600 is 64084012.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71242 + ... + 96358.

Almost surely, 2^2104804600 is an apocalyptic number.

2104804600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104804600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2452772700).

2104804600 is an abundant number, since it is smaller than the sum of its proper divisors (2800740800).

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

2104804600 is a wasteful number, since it uses less digits than its factorization.

2104804600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25552 (or 25543 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2104804600 is about 45878.1494831690. The cubic root of 2104804600 is about 1281.5550355224. Note that the first 3 decimals are identical.

Adding to 2104804600 its reverse (64084012), we get a palindrome (2168888612).

The spelling of 2104804600 in words is "two billion, one hundred four million, eight hundred four thousand, six hundred".