238748427 has 18 divisors (see below), whose sum is σ = 353089932. Its totient is φ = 155453256.

The previous prime is 238748423. The next prime is 238748467. The reversal of 238748427 is 724847832.

It is not a de Polignac number, because 238748427 - 2² = 238748423 is a prime.

It is a super-2 number, since 2×238748427² = 114001622789948658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238748423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9468 + ... + 23814.

Almost surely, 2^238748427 is an apocalyptic number.

238748427 is a deficient number, since it is larger than the sum of its proper divisors (114341505).

238748427 is a wasteful number, since it uses less digits than its factorization.

238748427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439 (or 14393 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 238748427 is about 15451.4862391940. The cubic root of 238748427 is about 620.3643600601.

The spelling of 238748427 in words is "two hundred thirty-eight million, seven hundred forty-eight thousand, four hundred twenty-seven".