1800328 has 16 divisors (see below), whose sum is σ = 3402000. Its totient is φ = 893136.

The previous prime is 1800313. The next prime is 1800341. The reversal of 1800328 is 8230081.

It is a junction number, because it is equal to n+sod(n) for n = 1800299 and 1800308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303 + ... + 1921.

It is an arithmetic number, because the mean of its divisors is an integer number (212625).

2^1800328 is an apocalyptic number.

It is an amenable number.

1800328 is a deficient number, since it is larger than the sum of its proper divisors (1601672).

1800328 is a wasteful number, since it uses less digits than its factorization.

1800328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1800328 is about 1341.7630193145. The cubic root of 1800328 is about 121.6514282118.

The spelling of 1800328 in words is "one million, eight hundred thousand, three hundred twenty-eight".