342606 has 32 divisors (see below), whose sum is σ = 777600. Its totient is φ = 99680.

The previous prime is 342599. The next prime is 342607. The reversal of 342606 is 606243.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342607) by changing a digit.

342606 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 15 ways as a sum of consecutive naturals, for example, 1825 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2³⁴²⁶⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388800).

342606 is an abundant number, since it is smaller than the sum of its proper divisors (434994).

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

342606 is a wasteful number, since it uses less digits than its factorization.

342606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 342606 is about 585.3255504418. The cubic root of 342606 is about 69.9731870097.

Adding to 342606 its reverse (606243), we get a palindrome (948849).

The spelling of 342606 in words is "three hundred forty-two thousand, six hundred six".