304234340 has 48 divisors (see below), whose sum is σ = 670699008. Its totient is φ = 115699584.

The previous prime is 304234319. The next prime is 304234351. The reversal of 304234340 is 43432403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 77669 + ... + 81491.

It is an arithmetic number, because the mean of its divisors is an integer number (13972896).

Almost surely, 2^304234340 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 304234340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335349504).

304234340 is an abundant number, since it is smaller than the sum of its proper divisors (366464668).

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

304234340 is a wasteful number, since it uses less digits than its factorization.

304234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028 (or 4026 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 304234340 is about 17442.3146399783. The cubic root of 304234340 is about 672.5678100802.

Adding to 304234340 its reverse (43432403), we get a palindrome (347666743).

The spelling of 304234340 in words is "three hundred four million, two hundred thirty-four thousand, three hundred forty".