304240400 has 60 divisors (see below), whose sum is σ = 746535552. Its totient is φ = 119099520.

The previous prime is 304240399. The next prime is 304240411. The reversal of 304240400 is 4042403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10709 + ... + 26891.

Almost surely, 2^304240400 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 304240400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373267776).

304240400 is an abundant number, since it is smaller than the sum of its proper divisors (442295152).

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

304240400 is a wasteful number, since it uses less digits than its factorization.

304240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16248 (or 16237 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 304240400 is about 17442.4883545898. The cubic root of 304240400 is about 672.5722756444.

Adding to 304240400 its reverse (4042403), we get a palindrome (308282803).

The spelling of 304240400 in words is "three hundred four million, two hundred forty thousand, four hundred".