304140534 has 8 divisors (see below), whose sum is σ = 608281080. Its totient is φ = 101380176.

The previous prime is 304140527. The next prime is 304140547. The reversal of 304140534 is 435041403.

304140534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

304140534 is an admirable number.

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, 25345039 + ... + 25345050.

It is an arithmetic number, because the mean of its divisors is an integer number (76035135).

Almost surely, 2^304140534 is an apocalyptic number.

304140534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

304140534 is a wasteful number, since it uses less digits than its factorization.

304140534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50690094.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 304140534 is about 17439.6253973530. The cubic root of 304140534 is about 672.4986776460.

Adding to 304140534 its reverse (435041403), we get a palindrome (739181937).

The spelling of 304140534 in words is "three hundred four million, one hundred forty thousand, five hundred thirty-four".