238112281 has 16 divisors (see below), whose sum is σ = 263736000. Its totient is φ = 213179200.

The previous prime is 238112269. The next prime is 238112363. The reversal of 238112281 is 182211832.

It is a cyclic number.

It is not a de Polignac number, because 238112281 - 2⁷ = 238112153 is a prime.

It is a super-2 number, since 2×238112281² = 113394916726045922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238112201) 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 15 ways as a sum of consecutive naturals, for example, 214155 + ... + 215263.

It is an arithmetic number, because the mean of its divisors is an integer number (16483500).

Almost surely, 2^238112281 is an apocalyptic number.

It is an amenable number.

238112281 is a deficient number, since it is larger than the sum of its proper divisors (25623719).

238112281 is a wasteful number, since it uses less digits than its factorization.

238112281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400.

The product of its digits is 1536, while the sum is 28.

The square root of 238112281 is about 15430.8872395595. The cubic root of 238112281 is about 619.8128823121.

The spelling of 238112281 in words is "two hundred thirty-eight million, one hundred twelve thousand, two hundred eighty-one".