238786055 has 4 divisors (see below), whose sum is σ = 286543272. Its totient is φ = 191028840.

The previous prime is 238786027. The next prime is 238786109. The reversal of 238786055 is 550687832.

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

It is not a de Polignac number, because 238786055 - 2¹⁸ = 238523911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238785997 and 238786015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23878601 + ... + 23878610.

It is an arithmetic number, because the mean of its divisors is an integer number (71635818).

Almost surely, 2^238786055 is an apocalyptic number.

238786055 is a deficient number, since it is larger than the sum of its proper divisors (47757217).

238786055 is an equidigital number, since it uses as much as digits as its factorization.

238786055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47757216.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 238786055 is about 15452.7038087190. The cubic root of 238786055 is about 620.3969492366.

The spelling of 238786055 in words is "two hundred thirty-eight million, seven hundred eighty-six thousand, fifty-five".