1803200 has 126 divisors (see below), whose sum is σ = 5385816. Its totient is φ = 591360.

The previous prime is 1803169. The next prime is 1803203. The reversal of 1803200 is 23081.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1803203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 78389 + ... + 78411.

2^1803200 is an apocalyptic number.

1803200 is a gapful number since it is divisible by the number (10) 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 1803200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692908).

1803200 is an abundant number, since it is smaller than the sum of its proper divisors (3582616).

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

1803200 is a wasteful number, since it uses less digits than its factorization.

1803200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1803200 is about 1342.8328265276. The cubic root of 1803200 is about 121.7160825933.

Adding to 1803200 its reverse (23081), we get a palindrome (1826281).

The spelling of 1803200 in words is "one million, eight hundred three thousand, two hundred".