304838 has 4 divisors (see below), whose sum is σ = 457260. Its totient is φ = 152418.

The previous prime is 304831. The next prime is 304847. The reversal of 304838 is 838403.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76208 + ... + 76211.

It is an arithmetic number, because the mean of its divisors is an integer number (114315).

2³⁰⁴⁸³⁸ is an apocalyptic number.

304838 is a deficient number, since it is larger than the sum of its proper divisors (152422).

304838 is a wasteful number, since it uses less digits than its factorization.

304838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152421.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 304838 is about 552.1213634700. The cubic root of 304838 is about 67.3012351231.

The spelling of 304838 in words is "three hundred four thousand, eight hundred thirty-eight".