304630 has 16 divisors (see below), whose sum is σ = 562464. Its totient is φ = 118720.

The previous prime is 304609. The next prime is 304631. The reversal of 304630 is 36403.

It is a happy number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304631) by changing a digit.

304630 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39 + ... + 781.

It is an arithmetic number, because the mean of its divisors is an integer number (35154).

2³⁰⁴⁶³⁰ is an apocalyptic number.

304630 is a deficient number, since it is larger than the sum of its proper divisors (257834).

304630 is a wasteful number, since it uses less digits than its factorization.

304630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 304630 is about 551.9329669444. The cubic root of 304630 is about 67.2859244313.

The spelling of 304630 in words is "three hundred four thousand, six hundred thirty".