238887 has 24 divisors (see below), whose sum is σ = 399360. Its totient is φ = 136080.

The previous prime is 238883. The next prime is 238897. The reversal of 238887 is 788832.

It is not a de Polignac number, because 238887 - 2² = 238883 is a prime.

238887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1818 + ... + 1944.

It is an arithmetic number, because the mean of its divisors is an integer number (16640).

2²³⁸⁸⁸⁷ is an apocalyptic number.

238887 is a deficient number, since it is larger than the sum of its proper divisors (160473).

238887 is a wasteful number, since it uses less digits than its factorization.

238887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 160 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 238887 is about 488.7606776327. The cubic root of 238887 is about 62.0484359628.

Subtracting 238887 from its reverse (788832), we obtain a palindrome (549945).

The spelling of 238887 in words is "two hundred thirty-eight thousand, eight hundred eighty-seven".