238870567 has 4 divisors (see below), whose sum is σ = 257245240. Its totient is φ = 220495896.

The previous prime is 238870561. The next prime is 238870579. The reversal of 238870567 is 765078832.

238870567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238870567 - 2³ = 238870559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238870561) 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, 9187317 + ... + 9187342.

It is an arithmetic number, because the mean of its divisors is an integer number (64311310).

Almost surely, 2^238870567 is an apocalyptic number.

238870567 is a deficient number, since it is larger than the sum of its proper divisors (18374673).

238870567 is a wasteful number, since it uses less digits than its factorization.

238870567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18374672.

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

The square root of 238870567 is about 15455.4381044343. The cubic root of 238870567 is about 620.4701316267.

The spelling of 238870567 in words is "two hundred thirty-eight million, eight hundred seventy thousand, five hundred sixty-seven".