304000000 has 154 divisors (see below), whose sum is σ = 799599140. Its totient is φ = 115200000.

The previous prime is 303999991. The next prime is 304000007. The reversal of 304000000 is 403.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (304000007) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15999991 + ... + 16000009.

Almost surely, 2^304000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399799570).

304000000 is an abundant number, since it is smaller than the sum of its proper divisors (495599140).

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

304000000 is an frugal number, since it uses more digits than its factorization.

304000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 304000000 is about 17435.5957741627. The cubic root of 304000000 is about 672.3950813598.

Adding to 304000000 its reverse (403), we get a palindrome (304000403).

The spelling of 304000000 in words is "three hundred four million", and thus it is an aban number.