238608455 has 4 divisors (see below), whose sum is σ = 286330152. Its totient is φ = 190886760.

The previous prime is 238608437. The next prime is 238608497. The reversal of 238608455 is 554806832.

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

It is not a de Polignac number, because 238608455 - 2¹⁶ = 238542919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23860841 + ... + 23860850.

It is an arithmetic number, because the mean of its divisors is an integer number (71582538).

Almost surely, 2^238608455 is an apocalyptic number.

238608455 is a deficient number, since it is larger than the sum of its proper divisors (47721697).

238608455 is an equidigital number, since it uses as much as digits as its factorization.

238608455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47721696.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 238608455 is about 15446.9561726574. The cubic root of 238608455 is about 620.2431018578.

The spelling of 238608455 in words is "two hundred thirty-eight million, six hundred eight thousand, four hundred fifty-five".