304394 has 4 divisors (see below), whose sum is σ = 456594. Its totient is φ = 152196.

The previous prime is 304393. The next prime is 304411. The reversal of 304394 is 493403.

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

It can be written as a sum of positive squares in only one way, i.e., 235225 + 69169 = 485^2 + 263^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (304391) by changing a digit.

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 as a sum of consecutive naturals, namely, 76097 + ... + 76100.

2³⁰⁴³⁹⁴ is an apocalyptic number.

304394 is a deficient number, since it is larger than the sum of its proper divisors (152200).

304394 is a wasteful number, since it uses less digits than its factorization.

304394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152199.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 304394 is about 551.7191314428. The cubic root of 304394 is about 67.2685442426.

Adding to 304394 its reverse (493403), we get a palindrome (797797).

The spelling of 304394 in words is "three hundred four thousand, three hundred ninety-four".