238314009 has 4 divisors (see below), whose sum is σ = 317752016. Its totient is φ = 158876004.

The previous prime is 238314001. The next prime is 238314049. The reversal of 238314009 is 900413832.

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 not a de Polignac number, because 238314009 - 2³ = 238314001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238314001) 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, 39718999 + ... + 39719004.

It is an arithmetic number, because the mean of its divisors is an integer number (79438004).

Almost surely, 2^238314009 is an apocalyptic number.

It is an amenable number.

238314009 is a deficient number, since it is larger than the sum of its proper divisors (79438007).

238314009 is an equidigital number, since it uses as much as digits as its factorization.

238314009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79438006.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 238314009 is about 15437.4223560800. The cubic root of 238314009 is about 619.9878674351.

The spelling of 238314009 in words is "two hundred thirty-eight million, three hundred fourteen thousand, nine".