342863 has 2 divisors, whose sum is σ = 342864. Its totient is φ = 342862.

The previous prime is 342847. The next prime is 342869. The reversal of 342863 is 368243.

It is a strong prime.

It is an emirp because it is prime and its reverse (368243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342863 - 2⁴ = 342847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171431 + 171432.

It is an arithmetic number, because the mean of its divisors is an integer number (171432).

2³⁴²⁸⁶³ is an apocalyptic number.

342863 is a deficient number, since it is larger than the sum of its proper divisors (1).

342863 is an equidigital number, since it uses as much as digits as its factorization.

342863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 342863 is about 585.5450452356. The cubic root of 342863 is about 69.9906790310.

The spelling of 342863 in words is "three hundred forty-two thousand, eight hundred sixty-three".