342806 has 4 divisors (see below), whose sum is σ = 514212. Its totient is φ = 171402.

The previous prime is 342803. The next prime is 342821. The reversal of 342806 is 608243.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342806.

It is not an unprimeable number, because it can be changed into a prime (342803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85700 + ... + 85703.

It is an arithmetic number, because the mean of its divisors is an integer number (128553).

2³⁴²⁸⁰⁶ is an apocalyptic number.

342806 is a deficient number, since it is larger than the sum of its proper divisors (171406).

342806 is a wasteful number, since it uses less digits than its factorization.

342806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171405.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 342806 is about 585.4963706121. The cubic root of 342806 is about 69.9868002322.

The spelling of 342806 in words is "three hundred forty-two thousand, eight hundred six".