342256 has 10 divisors (see below), whose sum is σ = 663152. Its totient is φ = 171120.

The previous prime is 342241. The next prime is 342257. The reversal of 342256 is 652243.

It is a happy number.

It is a d-powerful number, because it can be written as 3¹⁰ + 4² + 2 + 2⁷ + 5⁵ + 6⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10680 + ... + 10711.

2³⁴²²⁵⁶ is an apocalyptic number.

It is an amenable number.

342256 is a deficient number, since it is larger than the sum of its proper divisors (320896).

342256 is a wasteful number, since it uses less digits than its factorization.

342256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21399 (or 21393 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 342256 is about 585.0264951265. The cubic root of 342256 is about 69.9493511167.

Adding to 342256 its reverse (652243), we get a palindrome (994499).

The spelling of 342256 in words is "three hundred forty-two thousand, two hundred fifty-six".