238755009 has 8 divisors (see below), whose sum is σ = 320448832. Its totient is φ = 158115600.

The previous prime is 238755001. The next prime is 238755029. The reversal of 238755009 is 900557832.

238755009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238755009 - 2³ = 238755001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238755001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263074 + ... + 263979.

It is an arithmetic number, because the mean of its divisors is an integer number (40056104).

Almost surely, 2^238755009 is an apocalyptic number.

It is an amenable number.

238755009 is a deficient number, since it is larger than the sum of its proper divisors (81693823).

238755009 is a wasteful number, since it uses less digits than its factorization.

238755009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527207.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 238755009 is about 15451.6992269459. The cubic root of 238755009 is about 620.3700609014.

The spelling of 238755009 in words is "two hundred thirty-eight million, seven hundred fifty-five thousand, nine".