304140204 has 96 divisors (see below), whose sum is σ = 818048000. Its totient is φ = 97651008.

The previous prime is 304140203. The next prime is 304140227. The reversal of 304140204 is 402041403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (304140203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366462 + ... + 367290.

Almost surely, 2^304140204 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 304140204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409024000).

304140204 is an abundant number, since it is smaller than the sum of its proper divisors (513907796).

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

304140204 is a wasteful number, since it uses less digits than its factorization.

304140204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 304140204 is about 17439.6159361380. The cubic root of 304140204 is about 672.4984344201.

Adding to 304140204 its reverse (402041403), we get a palindrome (706181607).

The spelling of 304140204 in words is "three hundred four million, one hundred forty thousand, two hundred four".