304344 has 32 divisors (see below), whose sum is σ = 846000. Its totient is φ = 101376.

The previous prime is 304331. The next prime is 304349. The reversal of 304344 is 443403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304349) by changing a digit.

304344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489 + ... + 920.

2³⁰⁴³⁴⁴ is an apocalyptic number.

It is an amenable number.

304344 is an abundant number, since it is smaller than the sum of its proper divisors (541656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304344 is a wasteful number, since it uses less digits than its factorization.

304344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 304344 is about 551.6738166707. The cubic root of 304344 is about 67.2648608461.

Adding to 304344 its reverse (443403), we get a palindrome (747747).

The spelling of 304344 in words is "three hundred four thousand, three hundred forty-four", and thus it is an iban number.