238242819 has 8 divisors (see below), whose sum is σ = 317824000. Its totient is φ = 158745096.

The previous prime is 238242793. The next prime is 238242839. The reversal of 238242819 is 918242832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238242819 - 2⁵ = 238242787 is a prime.

It is a super-2 number, since 2×238242819² = 113519281610133522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238242839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13867 + ... + 25860.

It is an arithmetic number, because the mean of its divisors is an integer number (39728000).

Almost surely, 2^238242819 is an apocalyptic number.

238242819 is a deficient number, since it is larger than the sum of its proper divisors (79581181).

238242819 is a wasteful number, since it uses less digits than its factorization.

238242819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41729.

The product of its digits is 55296, while the sum is 39.

The square root of 238242819 is about 15435.1164232733. The cubic root of 238242819 is about 619.9261263005.

The spelling of 238242819 in words is "two hundred thirty-eight million, two hundred forty-two thousand, eight hundred nineteen".