1803700900 has 81 divisors (see below), whose sum is σ = 4074099267. Its totient is φ = 693110400.

The previous prime is 1803700897. The next prime is 1803700909. The reversal of 1803700900 is 90073081.

The square root of 1803700900 is 42470.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5262436 + 1798438464 = 2294^2 + 42408^2 .

It is not an unprimeable number, because it can be changed into a prime (1803700909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13165632 + ... + 13165768.

Almost surely, 2^1803700900 is an apocalyptic number.

1803700900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1803700900 is the 42470-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1803700900

1803700900 is an abundant number, since it is smaller than the sum of its proper divisors (2270398367).

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

1803700900 is a wasteful number, since it uses less digits than its factorization.

1803700900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The cubic root of 1803700900 is about 1217.2735180759.

Adding to 1803700900 its reverse (90073081), we get a palindrome (1893773981).

The spelling of 1803700900 in words is "one billion, eight hundred three million, seven hundred thousand, nine hundred".