342861 has 8 divisors (see below), whose sum is σ = 477120. Its totient is φ = 218592.

The previous prime is 342847. The next prime is 342863. The reversal of 342861 is 168243.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342861 - 2⁷ = 342733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (59640).

2³⁴²⁸⁶¹ is an apocalyptic number.

It is an amenable number.

342861 is a deficient number, since it is larger than the sum of its proper divisors (134259).

342861 is a wasteful number, since it uses less digits than its factorization.

342861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4995.

The product of its digits is 1152, while the sum is 24.

The square root of 342861 is about 585.5433374226. The cubic root of 342861 is about 69.9905429401.

The spelling of 342861 in words is "three hundred forty-two thousand, eight hundred sixty-one".