238650217 has 8 divisors (see below), whose sum is σ = 263277000. Its totient is φ = 214919040.

The previous prime is 238650197. The next prime is 238650227. The reversal of 238650217 is 712056832.

It is a happy number.

238650217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7123561 + 231526656 = 2669^2 + 15216^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238650217 - 2¹⁹ = 238125929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238650227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223342 + ... + 224407.

It is an arithmetic number, because the mean of its divisors is an integer number (32909625).

Almost surely, 2^238650217 is an apocalyptic number.

It is an amenable number.

238650217 is a deficient number, since it is larger than the sum of its proper divisors (24626783).

238650217 is a wasteful number, since it uses less digits than its factorization.

238650217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447803.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 238650217 is about 15448.3079008673. The cubic root of 238650217 is about 620.2792853777.

The spelling of 238650217 in words is "two hundred thirty-eight million, six hundred fifty thousand, two hundred seventeen".