304227940 has 12 divisors (see below), whose sum is σ = 638878716. Its totient is φ = 121691168.

The previous prime is 304227929. The next prime is 304227947. The reversal of 304227940 is 49722403.

It can be written as a sum of positive squares in 2 ways, for example, as 33362176 + 270865764 = 5776^2 + 16458^2 .

It is not an unprimeable number, because it can be changed into a prime (304227947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7605679 + ... + 7605718.

It is an arithmetic number, because the mean of its divisors is an integer number (53239893).

Almost surely, 2^304227940 is an apocalyptic number.

It is an amenable number.

304227940 is an abundant number, since it is smaller than the sum of its proper divisors (334650776).

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

304227940 is a wasteful number, since it uses less digits than its factorization.

304227940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15211406 (or 15211404 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 304227940 is about 17442.1311771240. The cubic root of 304227940 is about 672.5630939085.

The spelling of 304227940 in words is "three hundred four million, two hundred twenty-seven thousand, nine hundred forty".