304930 has 8 divisors (see below), whose sum is σ = 548892. Its totient is φ = 121968.

The previous prime is 304907. The next prime is 304933. The reversal of 304930 is 39403.

It can be written as a sum of positive squares in 2 ways, for example, as 271441 + 33489 = 521^2 + 183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 304898 and 304907.

It is not an unprimeable number, because it can be changed into a prime (304933) 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, 15237 + ... + 15256.

2³⁰⁴⁹³⁰ is an apocalyptic number.

304930 is a deficient number, since it is larger than the sum of its proper divisors (243962).

304930 is a wasteful number, since it uses less digits than its factorization.

304930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30500.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 304930 is about 552.2046722004. The cubic root of 304930 is about 67.3080049384.

The spelling of 304930 in words is "three hundred four thousand, nine hundred thirty".