342356 has 12 divisors (see below), whose sum is σ = 684768. Its totient is φ = 146712.

The previous prime is 342347. The next prime is 342359. The reversal of 342356 is 653243.

342356 = 49² + 50² + ... + 104².

342356 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342359) by changing a digit.

342356 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6086 + ... + 6141.

It is an arithmetic number, because the mean of its divisors is an integer number (57064).

2³⁴²³⁵⁶ is an apocalyptic number.

It is an amenable number.

342356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342356 is a wasteful number, since it uses less digits than its factorization.

342356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12238 (or 12236 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 342356 is about 585.1119550992. Note that the first 3 decimals coincide. The cubic root of 342356 is about 69.9561630293.

Adding to 342356 its reverse (653243), we get a palindrome (995599).

The spelling of 342356 in words is "three hundred forty-two thousand, three hundred fifty-six".