304142347 has 4 divisors (see below), whose sum is σ = 304246696. Its totient is φ = 304038000.

The previous prime is 304142303. The next prime is 304142353. The reversal of 304142347 is 743241403.

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 304142347 - 2⁷ = 304142219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304143347) 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, 47673 + ... + 53674.

It is an arithmetic number, because the mean of its divisors is an integer number (76061674).

Almost surely, 2^304142347 is an apocalyptic number.

304142347 is a deficient number, since it is larger than the sum of its proper divisors (104349).

304142347 is a wasteful number, since it uses less digits than its factorization.

304142347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104348.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 304142347 is about 17439.6773766030. The cubic root of 304142347 is about 672.5000139117.

It can be divided in two parts, 30414 and 2347, that added together give a square (32761 = 181²).

The spelling of 304142347 in words is "three hundred four million, one hundred forty-two thousand, three hundred forty-seven".