238288361 has 4 divisors (see below), whose sum is σ = 238332672. Its totient is φ = 238244052.

The previous prime is 238288343. The next prime is 238288373. The reversal of 238288361 is 163882832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238288361 - 2²⁶ = 171179497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238288301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12761 + ... + 25286.

It is an arithmetic number, because the mean of its divisors is an integer number (59583168).

Almost surely, 2^238288361 is an apocalyptic number.

It is an amenable number.

238288361 is a deficient number, since it is larger than the sum of its proper divisors (44311).

238288361 is an equidigital number, since it uses as much as digits as its factorization.

238288361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44310.

The product of its digits is 110592, while the sum is 41.

The square root of 238288361 is about 15436.5916250965. The cubic root of 238288361 is about 619.9656250453.

The spelling of 238288361 in words is "two hundred thirty-eight million, two hundred eighty-eight thousand, three hundred sixty-one".