304321104 has 40 divisors (see below), whose sum is σ = 873515520. Its totient is φ = 101440224.

The previous prime is 304321093. The next prime is 304321109. The reversal of 304321104 is 401123403.

It is a super-2 number, since 2×304321104² = 185222668679557632, which contains 22 as substring.

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 (304321109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351792 + ... + 352655.

It is an arithmetic number, because the mean of its divisors is an integer number (21837888).

Almost surely, 2^304321104 is an apocalyptic number.

It is an amenable number.

304321104 is an abundant number, since it is smaller than the sum of its proper divisors (569194416).

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

304321104 is a wasteful number, since it uses less digits than its factorization.

304321104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704464 (or 704452 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 304321104 is about 17444.8016325781. The cubic root of 304321104 is about 672.6317401054.

Adding to 304321104 its reverse (401123403), we get a palindrome (705444507).

The spelling of 304321104 in words is "three hundred four million, three hundred twenty-one thousand, one hundred four".