238505359 has 4 divisors (see below), whose sum is σ = 252535104. Its totient is φ = 224475616.

The previous prime is 238505357. The next prime is 238505363. The reversal of 238505359 is 953505832.

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

It is not a de Polignac number, because 238505359 - 2¹ = 238505357 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238505357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7014847 + ... + 7014880.

It is an arithmetic number, because the mean of its divisors is an integer number (63133776).

Almost surely, 2^238505359 is an apocalyptic number.

238505359 is a deficient number, since it is larger than the sum of its proper divisors (14029745).

238505359 is a wasteful number, since it uses less digits than its factorization.

238505359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14029744.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 238505359 is about 15443.6187145371. The cubic root of 238505359 is about 620.1537591246.

The spelling of 238505359 in words is "two hundred thirty-eight million, five hundred five thousand, three hundred fifty-nine".