304240424 has 8 divisors (see below), whose sum is σ = 570450810. Its totient is φ = 152120208.

The previous prime is 304240411. The next prime is 304240427. The reversal of 304240424 is 424042403.

It can be written as a sum of positive squares in only one way, i.e., 258244900 + 45995524 = 16070^2 + 6782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 304240424.

It is not an unprimeable number, because it can be changed into a prime (304240427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19015019 + ... + 19015034.

Almost surely, 2^304240424 is an apocalyptic number.

It is an amenable number.

304240424 is a deficient number, since it is larger than the sum of its proper divisors (266210386).

304240424 is a wasteful number, since it uses less digits than its factorization.

304240424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38030059 (or 38030055 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 304240424 is about 17442.4890425650. The cubic root of 304240424 is about 672.5722933297.

Adding to 304240424 its reverse (424042403), we get a palindrome (728282827).

The spelling of 304240424 in words is "three hundred four million, two hundred forty thousand, four hundred twenty-four".