1818328 has 16 divisors (see below), whose sum is σ = 3502080. Its totient is φ = 884448.

The previous prime is 1818317. The next prime is 1818331. The reversal of 1818328 is 8238181.

It is a self number, because there is not a number n which added to its sum of digits gives 1818328.

It is a congruent number.

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, 2776 + ... + 3367.

It is an arithmetic number, because the mean of its divisors is an integer number (218880).

2^1818328 is an apocalyptic number.

It is an amenable number.

1818328 is a deficient number, since it is larger than the sum of its proper divisors (1683752).

1818328 is a wasteful number, since it uses less digits than its factorization.

1818328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186 (or 6182 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 1818328 is about 1348.4539295059. The cubic root of 1818328 is about 122.0555153595.

The spelling of 1818328 in words is "one million, eight hundred eighteen thousand, three hundred twenty-eight".