238227689 has 16 divisors (see below), whose sum is σ = 278633088. Its totient is φ = 199469952.

The previous prime is 238227683. The next prime is 238227707. The reversal of 238227689 is 986722832.

It is a cyclic number.

It is not a de Polignac number, because 238227689 - 2⁴ = 238227673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238227683) 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, 52499 + ... + 56855.

It is an arithmetic number, because the mean of its divisors is an integer number (17414568).

Almost surely, 2^238227689 is an apocalyptic number.

It is an amenable number.

238227689 is a deficient number, since it is larger than the sum of its proper divisors (40405399).

238227689 is a wasteful number, since it uses less digits than its factorization.

238227689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544.

The product of its digits is 580608, while the sum is 47.

The square root of 238227689 is about 15434.6262993310. The cubic root of 238227689 is about 619.9130028818.

The spelling of 238227689 in words is "two hundred thirty-eight million, two hundred twenty-seven thousand, six hundred eighty-nine".