304240115 has 4 divisors (see below), whose sum is σ = 365088144. Its totient is φ = 243392088.

The previous prime is 304240091. The next prime is 304240117. The reversal of 304240115 is 511042403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304240115 - 2⁶ = 304240051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304240117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30424007 + ... + 30424016.

It is an arithmetic number, because the mean of its divisors is an integer number (91272036).

Almost surely, 2^304240115 is an apocalyptic number.

304240115 is a deficient number, since it is larger than the sum of its proper divisors (60848029).

304240115 is an equidigital number, since it uses as much as digits as its factorization.

304240115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60848028.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 304240115 is about 17442.4801848820. The cubic root of 304240115 is about 672.5720656315.

Adding to 304240115 its reverse (511042403), we get a palindrome (815282518).

The spelling of 304240115 in words is "three hundred four million, two hundred forty thousand, one hundred fifteen".