238739712 has 72 divisors (see below), whose sum is σ = 668878560. Its totient is φ = 75386880.

The previous prime is 238739707. The next prime is 238739713. The reversal of 238739712 is 217937832.

It is not an unprimeable number, because it can be changed into a prime (238739713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6412 + ... + 22772.

It is an arithmetic number, because the mean of its divisors is an integer number (9289980).

Almost surely, 2^238739712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238739712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334439280).

238739712 is an abundant number, since it is smaller than the sum of its proper divisors (430138848).

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

238739712 is a wasteful number, since it uses less digits than its factorization.

238739712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16399 (or 16385 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 238739712 is about 15451.2042249140. The cubic root of 238739712 is about 620.3568116108.

The spelling of 238739712 in words is "two hundred thirty-eight million, seven hundred thirty-nine thousand, seven hundred twelve".