238430975 has 6 divisors (see below), whose sum is σ = 295654440. Its totient is φ = 190744760.

The previous prime is 238430971. The next prime is 238430999. The reversal of 238430975 is 579034832.

It is not a de Polignac number, because 238430975 - 2² = 238430971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238430971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4768595 + ... + 4768644.

It is an arithmetic number, because the mean of its divisors is an integer number (49275740).

Almost surely, 2^238430975 is an apocalyptic number.

238430975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238430975 is a deficient number, since it is larger than the sum of its proper divisors (57223465).

238430975 is an equidigital number, since it uses as much as digits as its factorization.

238430975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9537249 (or 9537244 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 238430975 is about 15441.2102828761. The cubic root of 238430975 is about 620.0892821476.

The spelling of 238430975 in words is "two hundred thirty-eight million, four hundred thirty thousand, nine hundred seventy-five".