238271329 has 4 divisors (see below), whose sum is σ = 248630976. Its totient is φ = 227911684.

The previous prime is 238271321. The next prime is 238271351. The reversal of 238271329 is 923172832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238271329 - 2³ = 238271321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238271321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5179789 + ... + 5179834.

It is an arithmetic number, because the mean of its divisors is an integer number (62157744).

Almost surely, 2^238271329 is an apocalyptic number.

It is an amenable number.

238271329 is a deficient number, since it is larger than the sum of its proper divisors (10359647).

238271329 is a wasteful number, since it uses less digits than its factorization.

238271329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10359646.

The product of its digits is 36288, while the sum is 37.

The square root of 238271329 is about 15436.0399390517. The cubic root of 238271329 is about 619.9508537180.

The spelling of 238271329 in words is "two hundred thirty-eight million, two hundred seventy-one thousand, three hundred twenty-nine".