242693 has 4 divisors (see below), whose sum is σ = 264768. Its totient is φ = 220620.

The previous prime is 242689. The next prime is 242713. The reversal of 242693 is 396242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242693 - 2² = 242689 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242603) 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, 11021 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (66192).

2²⁴²⁶⁹³ is an apocalyptic number.

It is an amenable number.

242693 is a deficient number, since it is larger than the sum of its proper divisors (22075).

242693 is a wasteful number, since it uses less digits than its factorization.

242693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22074.

The product of its digits is 2592, while the sum is 26.

The square root of 242693 is about 492.6388129248. The cubic root of 242693 is about 62.3762243686.

The spelling of 242693 in words is "two hundred forty-two thousand, six hundred ninety-three".