238869 has 12 divisors (see below), whose sum is σ = 358176. Its totient is φ = 159084.

The previous prime is 238859. The next prime is 238877. The reversal of 238869 is 968832.

238869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238869 - 2⁴ = 238853 is a prime.

It is a super-2 number, since 2×238869² = 114116798322, which contains 22 as substring.

It is a Curzon number.

238869 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 238869.

It is not an unprimeable number, because it can be changed into a prime (238829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249 + ... + 734.

It is an arithmetic number, because the mean of its divisors is an integer number (29848).

2²³⁸⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

238869 is a deficient number, since it is larger than the sum of its proper divisors (119307).

238869 is an frugal number, since it uses more digits than its factorization.

238869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 986 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 238869 is about 488.7422633659. The cubic root of 238869 is about 62.0468774855.

The spelling of 238869 in words is "two hundred thirty-eight thousand, eight hundred sixty-nine".