340255 has 8 divisors (see below), whose sum is σ = 432432. Its totient is φ = 256128.

The previous prime is 340237. The next prime is 340261. The reversal of 340255 is 552043.

It is a happy number.

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 340255 - 2⁷ = 340127 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (54054).

2³⁴⁰²⁵⁵ is an apocalyptic number.

340255 is a deficient number, since it is larger than the sum of its proper divisors (92177).

340255 is a wasteful number, since it uses less digits than its factorization.

340255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 340255 is about 583.3138091971. The cubic root of 340255 is about 69.8127649388.

Adding to 340255 its reverse (552043), we get a palindrome (892298).

It can be divided in two parts, 340 and 255, that added together give a palindrome (595).

The spelling of 340255 in words is "three hundred forty thousand, two hundred fifty-five".