238008381 has 16 divisors (see below), whose sum is σ = 361859904. Its totient is φ = 137850624.

The previous prime is 238008361. The next prime is 238008431. The reversal of 238008381 is 183800832.

It is not a de Polignac number, because 238008381 - 2⁵ = 238008349 is a prime.

It is a super-2 number, since 2×238008381² = 113295978852482322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238008361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178831 + ... + 180156.

It is an arithmetic number, because the mean of its divisors is an integer number (22616244).

Almost surely, 2^238008381 is an apocalyptic number.

It is an amenable number.

238008381 is a deficient number, since it is larger than the sum of its proper divisors (123851523).

238008381 is a wasteful number, since it uses less digits than its factorization.

238008381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359020.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 238008381 is about 15427.5202479206. The cubic root of 238008381 is about 619.7227176676.

The spelling of 238008381 in words is "two hundred thirty-eight million, eight thousand, three hundred eighty-one".