1800882 has 12 divisors (see below), whose sum is σ = 3901950. Its totient is φ = 600288.

The previous prime is 1800863. The next prime is 1800889. The reversal of 1800882 is 2880081.

It can be written as a sum of positive squares in only one way, i.e., 1798281 + 2601 = 1341^2 + 51^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1800889) 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 5 ways as a sum of consecutive naturals, for example, 50007 + ... + 50042.

2^1800882 is an apocalyptic number.

1800882 is an abundant number, since it is smaller than the sum of its proper divisors (2101068).

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

1800882 is a wasteful number, since it uses less digits than its factorization.

1800882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100057 (or 100054 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 1800882 is about 1341.9694482364. The cubic root of 1800882 is about 121.6639051937.

It can be divided in two parts, 1800 and 882, that multiplied together give a square (1587600 = 1260²).

The spelling of 1800882 in words is "one million, eight hundred thousand, eight hundred eighty-two".