238009776 has 80 divisors (see below), whose sum is σ = 629721600. Its totient is φ = 77439744.

The previous prime is 238009747. The next prime is 238009777. The reversal of 238009776 is 677900832.

238009776 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (238009777) 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, 648345 + ... + 648711.

It is an arithmetic number, because the mean of its divisors is an integer number (7871520).

Almost surely, 2^238009776 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 238009776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314860800).

238009776 is an abundant number, since it is smaller than the sum of its proper divisors (391711824).

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

238009776 is a wasteful number, since it uses less digits than its factorization.

238009776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 660 counting only the distinct ones).

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

The square root of 238009776 is about 15427.5654592680. The cubic root of 238009776 is about 619.7239284254.

The spelling of 238009776 in words is "two hundred thirty-eight million, nine thousand, seven hundred seventy-six".