238956253 has 8 divisors (see below), whose sum is σ = 242581248. Its totient is φ = 235349184.

The previous prime is 238956247. The next prime is 238956257. The reversal of 238956253 is 352659832.

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 238956253 - 2⁹ = 238955741 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 (238956257) 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, 23700 + ... + 32242.

It is an arithmetic number, because the mean of its divisors is an integer number (30322656).

Almost surely, 2^238956253 is an apocalyptic number.

It is an amenable number.

238956253 is a deficient number, since it is larger than the sum of its proper divisors (3624995).

238956253 is an equidigital number, since it uses as much as digits as its factorization.

238956253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8963.

The product of its digits is 388800, while the sum is 43.

The square root of 238956253 is about 15458.2098898935. The cubic root of 238956253 is about 620.5443130109.

The spelling of 238956253 in words is "two hundred thirty-eight million, nine hundred fifty-six thousand, two hundred fifty-three".