108238581 has 24 divisors (see below), whose sum is σ = 171216864. Its totient is φ = 65345760.

The previous prime is 108238553. The next prime is 108238597. The reversal of 108238581 is 185832801.

It is not a de Polignac number, because 108238581 - 2⁵ = 108238549 is a prime.

It is a super-2 number, since 2×108238581² = 23431180833787122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108238531) 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 23 ways as a sum of consecutive naturals, for example, 25450 + ... + 29396.

It is an arithmetic number, because the mean of its divisors is an integer number (7134036).

Almost surely, 2^108238581 is an apocalyptic number.

108238581 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108238581 is a deficient number, since it is larger than the sum of its proper divisors (62978283).

108238581 is a wasteful number, since it uses less digits than its factorization.

108238581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241 (or 4238 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 108238581 is about 10403.7772467503. Note that the first 3 decimals coincide. The cubic root of 108238581 is about 476.5707278078.

The spelling of 108238581 in words is "one hundred eight million, two hundred thirty-eight thousand, five hundred eighty-one".