238485275 has 48 divisors (see below), whose sum is σ = 355643904. Its totient is φ = 155105280.

The previous prime is 238485271. The next prime is 238485277. The reversal of 238485275 is 572584832.

It is not a de Polignac number, because 238485275 - 2² = 238485271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238485271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 776672 + ... + 776978.

It is an arithmetic number, because the mean of its divisors is an integer number (7409248).

Almost surely, 2^238485275 is an apocalyptic number.

238485275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238485275 is a deficient number, since it is larger than the sum of its proper divisors (117158629).

238485275 is a wasteful number, since it uses less digits than its factorization.

238485275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 535 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 238485275 is about 15442.9684646444. The cubic root of 238485275 is about 620.1363513848.

The spelling of 238485275 in words is "two hundred thirty-eight million, four hundred eighty-five thousand, two hundred seventy-five".