238526047 has 4 divisors (see below), whose sum is σ = 238579600. Its totient is φ = 238472496.

The previous prime is 238526039. The next prime is 238526051. The reversal of 238526047 is 740625832.

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 238526047 - 2³ = 238526039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238525997 and 238526015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238526017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19422 + ... + 29227.

It is an arithmetic number, because the mean of its divisors is an integer number (59644900).

Almost surely, 2^238526047 is an apocalyptic number.

238526047 is a deficient number, since it is larger than the sum of its proper divisors (53553).

238526047 is an equidigital number, since it uses as much as digits as its factorization.

238526047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53552.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 238526047 is about 15444.2884912190. The cubic root of 238526047 is about 620.1716893577.

The spelling of 238526047 in words is "two hundred thirty-eight million, five hundred twenty-six thousand, forty-seven".