238610538 has 36 divisors (see below), whose sum is σ = 549201510. Its totient is φ = 74856576.

The previous prime is 238610509. The next prime is 238610539. The reversal of 238610538 is 835016832.

238610538 is a `hidden beast` number, since 2 + 3 + 8 + 610 + 5 + 38 = 666.

238610538 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 238609809 + 729 = 15447^2 + 27^2 .

It is not an unprimeable number, because it can be changed into a prime (238610539) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17733 + ... + 28136.

Almost surely, 2^238610538 is an apocalyptic number.

238610538 is an abundant number, since it is smaller than the sum of its proper divisors (310590972).

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

238610538 is a wasteful number, since it uses less digits than its factorization.

238610538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45911 (or 45891 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 238610538 is about 15447.0235967969. The cubic root of 238610538 is about 620.2449067151.

The spelling of 238610538 in words is "two hundred thirty-eight million, six hundred ten thousand, five hundred thirty-eight".