238819371 has 16 divisors (see below), whose sum is σ = 365219328. Its totient is φ = 135979200.

The previous prime is 238819369. The next prime is 238819391. The reversal of 238819371 is 173918832.

It is not a de Polignac number, because 238819371 - 2¹ = 238819369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238819351) 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 15 ways as a sum of consecutive naturals, for example, 14335 + ... + 26136.

It is an arithmetic number, because the mean of its divisors is an integer number (22826208).

Almost surely, 2^238819371 is an apocalyptic number.

238819371 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

238819371 is a deficient number, since it is larger than the sum of its proper divisors (126399957).

238819371 is a wasteful number, since it uses less digits than its factorization.

238819371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40762.

The product of its digits is 72576, while the sum is 42.

The square root of 238819371 is about 15453.7817701688. The cubic root of 238819371 is about 620.4258009823.

The spelling of 238819371 in words is "two hundred thirty-eight million, eight hundred nineteen thousand, three hundred seventy-one".