304540214 has 8 divisors (see below), whose sum is σ = 498338568. Its totient is φ = 138427360.

The previous prime is 304540163. The next prime is 304540267. The reversal of 304540214 is 412045403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 304540214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6921347 + ... + 6921390.

It is an arithmetic number, because the mean of its divisors is an integer number (62292321).

Almost surely, 2^304540214 is an apocalyptic number.

304540214 is a deficient number, since it is larger than the sum of its proper divisors (193798354).

304540214 is a wasteful number, since it uses less digits than its factorization.

304540214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13842750.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 304540214 is about 17451.0805969143. The cubic root of 304540214 is about 672.7931321150.

Adding to 304540214 its reverse (412045403), we get a palindrome (716585617).

The spelling of 304540214 in words is "three hundred four million, five hundred forty thousand, two hundred fourteen".