1003800 has 96 divisors (see below), whose sum is σ = 3571200. Its totient is φ = 228480.

The previous prime is 1003787. The next prime is 1003817. The reversal of 1003800 is 83001.

It is a super-2 number, since 2×1003800² = 2015228880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4081 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (37200).

2^1003800 is an apocalyptic number.

1003800 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 1003800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785600).

1003800 is an abundant number, since it is smaller than the sum of its proper divisors (2567400).

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

1003800 is a wasteful number, since it uses less digits than its factorization.

1003800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1003800 is about 1001.8981984214. The cubic root of 1003800 is about 100.1265065601.

Adding to 1003800 its reverse (83001), we get a palindrome (1086801).

The spelling of 1003800 in words is "one million, three thousand, eight hundred".