1004328 has 96 divisors (see below), whose sum is σ = 3112200. Its totient is φ = 290304.

The previous prime is 1004323. The next prime is 1004363. The reversal of 1004328 is 8234001.

It is a happy number.

1004328 is nontrivially palindromic in base 11.

1004328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 887364 + 116964 = 942^2 + 342^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1004328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27126 + ... + 27162.

2^1004328 is an apocalyptic number.

1004328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556100).

1004328 is an abundant number, since it is smaller than the sum of its proper divisors (2107872).

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

1004328 is a wasteful number, since it uses less digits than its factorization.

1004328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 84 counting only the distinct ones).

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

The square root of 1004328 is about 1002.1616636052. The cubic root of 1004328 is about 100.1440590370.

Adding to 1004328 its reverse (8234001), we get a palindrome (9238329).

The spelling of 1004328 in words is "one million, four thousand, three hundred twenty-eight".