238707865 has 8 divisors (see below), whose sum is σ = 312490368. Its totient is φ = 173605680.

The previous prime is 238707851. The next prime is 238707871. The reversal of 238707865 is 568707832.

238707865 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 238707865 - 2²⁷ = 104490137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2170017 + ... + 2170126.

It is an arithmetic number, because the mean of its divisors is an integer number (39061296).

Almost surely, 2^238707865 is an apocalyptic number.

It is an amenable number.

238707865 is a deficient number, since it is larger than the sum of its proper divisors (73782503).

238707865 is a wasteful number, since it uses less digits than its factorization.

238707865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340159.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 238707865 is about 15450.1736236199. The cubic root of 238707865 is about 620.3292259447.

The spelling of 238707865 in words is "two hundred thirty-eight million, seven hundred seven thousand, eight hundred sixty-five".