238386220 has 12 divisors (see below), whose sum is σ = 500611104. Its totient is φ = 95354480.

The previous prime is 238386163. The next prime is 238386229. The reversal of 238386220 is 22683832.

It is not an unprimeable number, because it can be changed into a prime (238386229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5959636 + ... + 5959675.

It is an arithmetic number, because the mean of its divisors is an integer number (41717592).

Almost surely, 2^238386220 is an apocalyptic number.

238386220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238386220 is an abundant number, since it is smaller than the sum of its proper divisors (262224884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238386220 is a wasteful number, since it uses less digits than its factorization.

238386220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919320 (or 11919318 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 238386220 is about 15439.7610085131. The cubic root of 238386220 is about 620.0504814949.

The spelling of 238386220 in words is "two hundred thirty-eight million, three hundred eighty-six thousand, two hundred twenty".