1800332 has 6 divisors (see below), whose sum is σ = 3150588. Its totient is φ = 900164.

The previous prime is 1800313. The next prime is 1800341. The reversal of 1800332 is 2330081.

It is a self number, because there is not a number n which added to its sum of digits gives 1800332.

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 as a sum of consecutive naturals, namely, 225038 + ... + 225045.

It is an arithmetic number, because the mean of its divisors is an integer number (525098).

2^1800332 is an apocalyptic number.

It is an amenable number.

1800332 is a deficient number, since it is larger than the sum of its proper divisors (1350256).

1800332 is a wasteful number, since it uses less digits than its factorization.

1800332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450087 (or 450085 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1800332 is about 1341.7645098899. The cubic root of 1800332 is about 121.6515183075.

The spelling of 1800332 in words is "one million, eight hundred thousand, three hundred thirty-two".