304504242 has 64 divisors (see below), whose sum is σ = 717911040. Its totient is φ = 84297024.

The previous prime is 304504237. The next prime is 304504247. The reversal of 304504242 is 242405403.

It is an interprime number because it is at equal distance from previous prime (304504237) and next prime (304504247).

It is not an unprimeable number, because it can be changed into a prime (304504247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250428 + ... + 251640.

It is an arithmetic number, because the mean of its divisors is an integer number (11217360).

Almost surely, 2^304504242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304504242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358955520).

304504242 is an abundant number, since it is smaller than the sum of its proper divisors (413406798).

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

304504242 is a wasteful number, since it uses less digits than its factorization.

304504242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 304504242 is about 17450.0499139687. The cubic root of 304504242 is about 672.7666411773.

Adding to 304504242 its reverse (242405403), we get a palindrome (546909645).

The spelling of 304504242 in words is "three hundred four million, five hundred four thousand, two hundred forty-two".