342306 has 20 divisors (see below), whose sum is σ = 767382. Its totient is φ = 114048.

The previous prime is 342299. The next prime is 342319. The reversal of 342306 is 603243.

It can be written as a sum of positive squares in only one way, i.e., 342225 + 81 = 585^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 3² + 4⁹ + 3⁶ + 2¹⁵ + 0 + 6⁶ .

It is an unprimeable number.

342306 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 9 ways as a sum of consecutive naturals, for example, 895 + ... + 1218.

2³⁴²³⁰⁶ is an apocalyptic number.

342306 is an abundant number, since it is smaller than the sum of its proper divisors (425076).

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

342306 is a wasteful number, since it uses less digits than its factorization.

342306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 342306 is about 585.0692266732. The cubic root of 342306 is about 69.9527572388.

Adding to 342306 its reverse (603243), we get a palindrome (945549).

The spelling of 342306 in words is "three hundred forty-two thousand, three hundred six".