1000304 has 20 divisors (see below), whose sum is σ = 1960440. Its totient is φ = 494400.

The previous prime is 1000303. The next prime is 1000313. The reversal of 1000304 is 4030001.

1000304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 1000291 and 1000300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307 + ... + 1925.

It is an arithmetic number, because the mean of its divisors is an integer number (98022).

2^1000304 is an apocalyptic number.

It is an amenable number.

1000304 is a deficient number, since it is larger than the sum of its proper divisors (960136).

1000304 is a wasteful number, since it uses less digits than its factorization.

1000304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1000304 is about 1000.1519884498. The cubic root of 1000304 is about 100.0101323067.

Adding to 1000304 its reverse (4030001), we get a palindrome (5030305).

The spelling of 1000304 in words is "one million, three hundred four", and thus it is an aban number.