238247305 has 8 divisors (see below), whose sum is σ = 292545792. Its totient is φ = 186165168.

The previous prime is 238247263. The next prime is 238247311. The reversal of 238247305 is 503742832.

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

It is a cyclic number.

It is not a de Polignac number, because 238247305 - 2²⁷ = 104029577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553849 + ... + 554278.

It is an arithmetic number, because the mean of its divisors is an integer number (36568224).

Almost surely, 2^238247305 is an apocalyptic number.

It is an amenable number.

238247305 is a deficient number, since it is larger than the sum of its proper divisors (54298487).

238247305 is a wasteful number, since it uses less digits than its factorization.

238247305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108175.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 238247305 is about 15435.2617405731. The cubic root of 238247305 is about 619.9300172484.

The spelling of 238247305 in words is "two hundred thirty-eight million, two hundred forty-seven thousand, three hundred five".