304680 has 32 divisors (see below), whose sum is σ = 914400. Its totient is φ = 81216.

The previous prime is 304663. The next prime is 304687. The reversal of 304680 is 86403.

It is not an unprimeable number, because it can be changed into a prime (304687) by changing a digit.

304680 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 1150 + ... + 1389.

It is an arithmetic number, because the mean of its divisors is an integer number (28575).

2³⁰⁴⁶⁸⁰ is an apocalyptic number.

304680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304680 is an abundant number, since it is smaller than the sum of its proper divisors (609720).

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

304680 is a wasteful number, since it uses less digits than its factorization.

304680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 304680 is about 551.9782604415. The cubic root of 304680 is about 67.2896055222.

The spelling of 304680 in words is "three hundred four thousand, six hundred eighty".