238560887 has 4 divisors (see below), whose sum is σ = 240790536. Its totient is φ = 236331240.

The previous prime is 238560877. The next prime is 238560901. The reversal of 238560887 is 788065832.

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 238560887 - 2¹⁰ = 238559863 is a prime.

It is a super-2 number, since 2×238560887² = 113822593612453538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238560877) 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, 1114664 + ... + 1114877.

It is an arithmetic number, because the mean of its divisors is an integer number (60197634).

Almost surely, 2^238560887 is an apocalyptic number.

238560887 is a deficient number, since it is larger than the sum of its proper divisors (2229649).

238560887 is a wasteful number, since it uses less digits than its factorization.

238560887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229648.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 238560887 is about 15445.4163750933. The cubic root of 238560887 is about 620.2018827475.

The spelling of 238560887 in words is "two hundred thirty-eight million, five hundred sixty thousand, eight hundred eighty-seven".