304678 has 12 divisors (see below), whose sum is σ = 502740. Its totient is φ = 138380.

The previous prime is 304663. The next prime is 304687. The reversal of 304678 is 876403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388 + ... + 871.

It is an arithmetic number, because the mean of its divisors is an integer number (41895).

2³⁰⁴⁶⁷⁸ is an apocalyptic number.

304678 is a deficient number, since it is larger than the sum of its proper divisors (198062).

304678 is a wasteful number, since it uses less digits than its factorization.

304678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 304678 is about 551.9764487730. The cubic root of 304678 is about 67.2894582863.

The spelling of 304678 in words is "three hundred four thousand, six hundred seventy-eight".