238868353 has 4 divisors (see below), whose sum is σ = 242232768. Its totient is φ = 235503940.

The previous prime is 238868351. The next prime is 238868369. The reversal of 238868353 is 353868832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238868353 - 2¹ = 238868351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238868351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682101 + ... + 1682242.

It is an arithmetic number, because the mean of its divisors is an integer number (60558192).

Almost surely, 2^238868353 is an apocalyptic number.

It is an amenable number.

238868353 is a deficient number, since it is larger than the sum of its proper divisors (3364415).

238868353 is an equidigital number, since it uses as much as digits as its factorization.

238868353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364414.

The product of its digits is 829440, while the sum is 46.

The square root of 238868353 is about 15455.3664789936. The cubic root of 238868353 is about 620.4682146539.

The spelling of 238868353 in words is "two hundred thirty-eight million, eight hundred sixty-eight thousand, three hundred fifty-three".