238426065 has 64 divisors (see below), whose sum is σ = 441676800. Its totient is φ = 121934592.

The previous prime is 238426063. The next prime is 238426093. The reversal of 238426065 is 560624832.

238426065 is a `hidden beast` number, since 2 + 3 + 8 + 42 + 606 + 5 = 666.

It is not a de Polignac number, because 238426065 - 2¹ = 238426063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238426061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 335931 + ... + 336639.

It is an arithmetic number, because the mean of its divisors is an integer number (6901200).

Almost surely, 2^238426065 is an apocalyptic number.

It is an amenable number.

238426065 is a deficient number, since it is larger than the sum of its proper divisors (203250735).

238426065 is a wasteful number, since it uses less digits than its factorization.

238426065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 238426065 is about 15441.0512919296. The cubic root of 238426065 is about 620.0850256268.

The spelling of 238426065 in words is "two hundred thirty-eight million, four hundred twenty-six thousand, sixty-five".