304200340 has 24 divisors (see below), whose sum is σ = 643702752. Its totient is φ = 120750240.

The previous prime is 304200319. The next prime is 304200341. The reversal of 304200340 is 43002403.

It is a super-2 number, since 2×304200340² = 185075693712231200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304200341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55434 + ... + 60673.

It is an arithmetic number, because the mean of its divisors is an integer number (26820948).

Almost surely, 2^304200340 is an apocalyptic number.

It is an amenable number.

304200340 is an abundant number, since it is smaller than the sum of its proper divisors (339502412).

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

304200340 is a wasteful number, since it uses less digits than its factorization.

304200340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116247 (or 116245 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 304200340 is about 17441.3399714586. The cubic root of 304200340 is about 672.5427546603.

Adding to 304200340 its reverse (43002403), we get a palindrome (347202743).

The spelling of 304200340 in words is "three hundred four million, two hundred thousand, three hundred forty".