342086 has 4 divisors (see below), whose sum is σ = 513132. Its totient is φ = 171042.

The previous prime is 342077. The next prime is 342101. The reversal of 342086 is 680243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680243 = 433 ⋅1571.

It is a congruent number.

It is an unprimeable number.

342086 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 as a sum of consecutive naturals, namely, 85520 + ... + 85523.

It is an arithmetic number, because the mean of its divisors is an integer number (128283).

2³⁴²⁰⁸⁶ is an apocalyptic number.

342086 is a deficient number, since it is larger than the sum of its proper divisors (171046).

342086 is a wasteful number, since it uses less digits than its factorization.

342086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171045.

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

The square root of 342086 is about 584.8811845153. The cubic root of 342086 is about 69.9377678193.

The spelling of 342086 in words is "three hundred forty-two thousand, eighty-six".