304001 has 4 divisors (see below), whose sum is σ = 306900. Its totient is φ = 301104.

The previous prime is 303997. The next prime is 304009. The reversal of 304001 is 100403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201601 + 102400 = 449^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 304001 - 2² = 303997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304001.

It is not an unprimeable number, because it can be changed into a prime (304009) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1286 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (76725).

2³⁰⁴⁰⁰¹ is an apocalyptic number.

It is an amenable number.

304001 is a deficient number, since it is larger than the sum of its proper divisors (2899).

304001 is a wasteful number, since it uses less digits than its factorization.

304001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898.

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

The square root of 304001 is about 551.3628569282. The cubic root of 304001 is about 67.2395818634.

Adding to 304001 its reverse (100403), we get a palindrome (404404).

The spelling of 304001 in words is "three hundred four thousand, one", and thus it is an iban number.