342347 has 2 divisors, whose sum is σ = 342348. Its totient is φ = 342346.

The previous prime is 342343. The next prime is 342359. The reversal of 342347 is 743243.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342347 - 2² = 342343 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁵ + 4⁶ + 3¹⁰ + 2³ + 4⁹ + 7⁵ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342347.

It is not a weakly prime, because it can be changed into another prime (342341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171173 + 171174.

It is an arithmetic number, because the mean of its divisors is an integer number (171174).

2³⁴²³⁴⁷ is an apocalyptic number.

342347 is a deficient number, since it is larger than the sum of its proper divisors (1).

342347 is an equidigital number, since it uses as much as digits as its factorization.

342347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 23.

The square root of 342347 is about 585.1042642128. The cubic root of 342347 is about 69.9555500115.

The spelling of 342347 in words is "three hundred forty-two thousand, three hundred forty-seven", and thus it is an iban number.