1002804 has 48 divisors (see below), whose sum is σ = 2612736. Its totient is φ = 296800.

The previous prime is 1002797. The next prime is 1002809. The reversal of 1002804 is 4082001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9319 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2^1002804 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 1002804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306368).

1002804 is an abundant number, since it is smaller than the sum of its proper divisors (1609932).

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

1002804 is a wasteful number, since it uses less digits than its factorization.

1002804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1002804 is about 1001.4010185735. The cubic root of 1002804 is about 100.0933794423.

Adding to 1002804 its reverse (4082001), we get a palindrome (5084805).

The spelling of 1002804 in words is "one million, two thousand, eight hundred four".