238358829 has 4 divisors (see below), whose sum is σ = 317811776. Its totient is φ = 158905884.

The previous prime is 238358803. The next prime is 238358839. The reversal of 238358829 is 928853832.

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 not a de Polignac number, because 238358829 - 2⁹ = 238358317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238358839) 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 3 ways as a sum of consecutive naturals, for example, 39726469 + ... + 39726474.

It is an arithmetic number, because the mean of its divisors is an integer number (79452944).

Almost surely, 2^238358829 is an apocalyptic number.

It is an amenable number.

238358829 is a deficient number, since it is larger than the sum of its proper divisors (79452947).

238358829 is an equidigital number, since it uses as much as digits as its factorization.

238358829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79452946.

The product of its digits is 829440, while the sum is 48.

The square root of 238358829 is about 15438.8739550526. The cubic root of 238358829 is about 620.0267322848.

The spelling of 238358829 in words is "two hundred thirty-eight million, three hundred fifty-eight thousand, eight hundred twenty-nine".