238506243 has 8 divisors (see below), whose sum is σ = 336714768. Its totient is φ = 149650944.

The previous prime is 238506239. The next prime is 238506283. The reversal of 238506243 is 342605832.

It is a happy number.

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

It is not a de Polignac number, because 238506243 - 2² = 238506239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238506283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2338246 + ... + 2338347.

It is an arithmetic number, because the mean of its divisors is an integer number (42089346).

Almost surely, 2^238506243 is an apocalyptic number.

238506243 is a deficient number, since it is larger than the sum of its proper divisors (98208525).

238506243 is a wasteful number, since it uses less digits than its factorization.

238506243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676613.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 238506243 is about 15443.6473347458. The cubic root of 238506243 is about 620.1545253062.

The spelling of 238506243 in words is "two hundred thirty-eight million, five hundred six thousand, two hundred forty-three".