1098328 has 32 divisors (see below), whose sum is σ = 2568960. Its totient is φ = 427680.

The previous prime is 1098313. The next prime is 1098341. The reversal of 1098328 is 8238901.

It is a self number, because there is not a number n which added to its sum of digits gives 1098328.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (80280).

2^1098328 is an apocalyptic number.

It is an amenable number.

1098328 is an abundant number, since it is smaller than the sum of its proper divisors (1470632).

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

1098328 is a wasteful number, since it uses less digits than its factorization.

1098328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1098328 is about 1048.0114503191. The cubic root of 1098328 is about 103.1756828309.

It can be divided in two parts, 10983 and 28, that added together give a palindrome (11011).

The spelling of 1098328 in words is "one million, ninety-eight thousand, three hundred twenty-eight".