239455 has 8 divisors (see below), whose sum is σ = 291312. Its totient is φ = 188928.

The previous prime is 239441. The next prime is 239461. The reversal of 239455 is 554932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 239455 - 2⁵ = 239423 is a prime.

It is a Duffinian number.

239455 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (36414).

2²³⁹⁴⁵⁵ is an apocalyptic number.

239455 is a deficient number, since it is larger than the sum of its proper divisors (51857).

239455 is an equidigital number, since it uses as much as digits as its factorization.

239455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its digits is 5400, while the sum is 28.

The square root of 239455 is about 489.3413941207. The cubic root of 239455 is about 62.0975744197.

The spelling of 239455 in words is "two hundred thirty-nine thousand, four hundred fifty-five".