342655 has 4 divisors (see below), whose sum is σ = 411192. Its totient is φ = 274120.

The previous prime is 342653. The next prime is 342659. The reversal of 342655 is 556243.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 342655 - 2¹ = 342653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342653) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34261 + ... + 34270.

It is an arithmetic number, because the mean of its divisors is an integer number (102798).

2³⁴²⁶⁵⁵ is an apocalyptic number.

342655 is a deficient number, since it is larger than the sum of its proper divisors (68537).

342655 is an equidigital number, since it uses as much as digits as its factorization.

342655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68536.

The product of its digits is 3600, while the sum is 25.

The square root of 342655 is about 585.3674059939. The cubic root of 342655 is about 69.9765227391.

Adding to 342655 its reverse (556243), we get a palindrome (898898).

It can be divided in two parts, 3426 and 55, that added together give a square (3481 = 59²).

The spelling of 342655 in words is "three hundred forty-two thousand, six hundred fifty-five".