305304 has 16 divisors (see below), whose sum is σ = 763320. Its totient is φ = 101760.

The previous prime is 305297. The next prime is 305329. The reversal of 305304 is 403503.

It is a congruent number.

It is an unprimeable number.

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, 6337 + ... + 6384.

2³⁰⁵³⁰⁴ is an apocalyptic number.

It is an amenable number.

305304 is an abundant number, since it is smaller than the sum of its proper divisors (458016).

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

305304 is a wasteful number, since it uses less digits than its factorization.

305304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12730 (or 12726 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 305304 is about 552.5432109799. The cubic root of 305304 is about 67.3355116985.

Adding to 305304 its reverse (403503), we get a palindrome (708807).

The spelling of 305304 in words is "three hundred five thousand, three hundred four".