238635936 has 384 divisors, whose sum is σ = 923166720. Its totient is φ = 58060800.

The previous prime is 238635907. The next prime is 238635937. The reversal of 238635936 is 639536832.

238635936 is a `hidden beast` number, since 2 + 3 + 8 + 635 + 9 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 238635891 and 238635900.

It is not an unprimeable number, because it can be changed into a prime (238635937) 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 63 ways as a sum of consecutive naturals, for example, 1130871 + ... + 1131081.

It is an arithmetic number, because the mean of its divisors is an integer number (2404080).

Almost surely, 2^238635936 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 238635936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461583360).

238635936 is an abundant number, since it is smaller than the sum of its proper divisors (684530784).

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

238635936 is a wasteful number, since it uses less digits than its factorization.

238635936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 251 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 238635936 is about 15447.8456750448. The cubic root of 238635936 is about 620.2669124786.

The spelling of 238635936 in words is "two hundred thirty-eight million, six hundred thirty-five thousand, nine hundred thirty-six".