1803150 has 36 divisors (see below), whose sum is σ = 4845672. Its totient is φ = 480720.

The previous prime is 1803149. The next prime is 1803163. The reversal of 1803150 is 513081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1554 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (134602).

2^1803150 is an apocalyptic number.

1803150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1803150 is an abundant number, since it is smaller than the sum of its proper divisors (3042522).

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

1803150 is a wasteful number, since it uses less digits than its factorization.

1803150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1803150 is about 1342.8142090401. The cubic root of 1803150 is about 121.7149575822.

It can be divided in two parts, 18031 and 50, that added together give a palindrome (18081).

The spelling of 1803150 in words is "one million, eight hundred three thousand, one hundred fifty".