238278575 has 12 divisors (see below), whose sum is σ = 295663368. Its totient is φ = 190495200.

The previous prime is 238278541. The next prime is 238278577. The reversal of 238278575 is 575872832.

It is a happy number.

It is not a de Polignac number, because 238278575 - 2²⁰ = 237229999 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 (238278577) 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 11 ways as a sum of consecutive naturals, for example, 57524 + ... + 61526.

It is an arithmetic number, because the mean of its divisors is an integer number (24638614).

Almost surely, 2^238278575 is an apocalyptic number.

238278575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238278575 is a deficient number, since it is larger than the sum of its proper divisors (57384793).

238278575 is a wasteful number, since it uses less digits than its factorization.

238278575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394 (or 6389 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

The square root of 238278575 is about 15436.2746477251. The cubic root of 238278575 is about 619.9571380359.

The spelling of 238278575 in words is "two hundred thirty-eight million, two hundred seventy-eight thousand, five hundred seventy-five".