239855 has 24 divisors (see below), whose sum is σ = 369360. Its totient is φ = 147840.

The previous prime is 239851. The next prime is 239857. The reversal of 239855 is 558932.

It is a happy number.

It is not a de Polignac number, because 239855 - 2² = 239851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239851) 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, 2651 + ... + 2739.

It is an arithmetic number, because the mean of its divisors is an integer number (15390).

2²³⁹⁸⁵⁵ is an apocalyptic number.

239855 is a deficient number, since it is larger than the sum of its proper divisors (129505).

239855 is a wasteful number, since it uses less digits than its factorization.

239855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 112 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 239855 is about 489.7499361919. The cubic root of 239855 is about 62.1321323558.

The spelling of 239855 in words is "two hundred thirty-nine thousand, eight hundred fifty-five".