342663 has 4 divisors (see below), whose sum is σ = 456888. Its totient is φ = 228440.

The previous prime is 342659. The next prime is 342673. The reversal of 342663 is 366243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366243 = 3 ⋅122081.

It is a cyclic number.

It is not a de Polignac number, because 342663 - 2² = 342659 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342653) 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, 57108 + ... + 57113.

It is an arithmetic number, because the mean of its divisors is an integer number (114222).

2³⁴²⁶⁶³ is an apocalyptic number.

342663 is a deficient number, since it is larger than the sum of its proper divisors (114225).

342663 is a wasteful number, since it uses less digits than its factorization.

342663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114224.

The product of its digits is 2592, while the sum is 24.

The square root of 342663 is about 585.3742392692. The cubic root of 342663 is about 69.9770673178.

The spelling of 342663 in words is "three hundred forty-two thousand, six hundred sixty-three".