304000489 has 4 divisors (see below), whose sum is σ = 327385156. Its totient is φ = 280615824.

The previous prime is 304000471. The next prime is 304000517. The reversal of 304000489 is 984000403.

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 176491225 + 127509264 = 13285^2 + 11292^2 .

It is a cyclic number.

It is not a de Polignac number, because 304000489 - 2⁹ = 303999977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304000439) 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, 11692314 + ... + 11692339.

It is an arithmetic number, because the mean of its divisors is an integer number (81846289).

Almost surely, 2^304000489 is an apocalyptic number.

It is an amenable number.

304000489 is a deficient number, since it is larger than the sum of its proper divisors (23384667).

304000489 is a wasteful number, since it uses less digits than its factorization.

304000489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23384666.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 304000489 is about 17435.6097971938. The cubic root of 304000489 is about 672.3954418872.

The spelling of 304000489 in words is "three hundred four million, four hundred eighty-nine", and thus it is an aban number.