342851 has 4 divisors (see below), whose sum is σ = 345072. Its totient is φ = 340632.

The previous prime is 342847. The next prime is 342863. The reversal of 342851 is 158243.

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

It is a cyclic number.

It is not a de Polignac number, because 342851 - 2² = 342847 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342851.

It is not an unprimeable number, because it can be changed into a prime (342821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (86268).

2³⁴²⁸⁵¹ is an apocalyptic number.

342851 is a deficient number, since it is larger than the sum of its proper divisors (2221).

342851 is a wasteful number, since it uses less digits than its factorization.

342851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220.

The product of its digits is 960, while the sum is 23.

The square root of 342851 is about 585.5347982827. The cubic root of 342851 is about 69.9898624775.

The spelling of 342851 in words is "three hundred forty-two thousand, eight hundred fifty-one".