1800324 has 36 divisors (see below), whose sum is σ = 4660656. Its totient is φ = 585648.

The previous prime is 1800313. The next prime is 1800341. The reversal of 1800324 is 4230081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

1800324 is a modest number, since divided by 324 gives 180 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1800297 and 1800306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 967 + ... + 2129.

2^1800324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1800324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2330328).

1800324 is an abundant number, since it is smaller than the sum of its proper divisors (2860332).

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

1800324 is a wasteful number, since it uses less digits than its factorization.

1800324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1800324 is about 1341.7615287375. The cubic root of 1800324 is about 121.6513381160.

The spelling of 1800324 in words is "one million, eight hundred thousand, three hundred twenty-four".