238806253 has 12 divisors (see below), whose sum is σ = 278046912. Its totient is φ = 204505560.

The previous prime is 238806241. The next prime is 238806257. The reversal of 238806253 is 352608832.

It is a de Polignac number, because none of the positive numbers 2^k-238806253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238806257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103276 + ... + 105562.

It is an arithmetic number, because the mean of its divisors is an integer number (23170576).

Almost surely, 2^238806253 is an apocalyptic number.

It is an amenable number.

238806253 is a deficient number, since it is larger than the sum of its proper divisors (39240659).

238806253 is a wasteful number, since it uses less digits than its factorization.

238806253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432 (or 4425 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 238806253 is about 15453.3573374850. The cubic root of 238806253 is about 620.4144410793.

The spelling of 238806253 in words is "two hundred thirty-eight million, eight hundred six thousand, two hundred fifty-three".