342269 has 4 divisors (see below), whose sum is σ = 345696. Its totient is φ = 338844.

The previous prime is 342257. The next prime is 342281. The reversal of 342269 is 962243.

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 an interprime number because it is at equal distance from previous prime (342257) and next prime (342281).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342269 is a prime.

It is a super-2 number, since 2×342269² = 234296136722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342239) 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, 1559 + ... + 1764.

It is an arithmetic number, because the mean of its divisors is an integer number (86424).

2³⁴²²⁶⁹ is an apocalyptic number.

It is an amenable number.

342269 is a deficient number, since it is larger than the sum of its proper divisors (3427).

342269 is a wasteful number, since it uses less digits than its factorization.

342269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

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

The square root of 342269 is about 585.0376056289. The cubic root of 342269 is about 69.9502367403.

Subtracting from 342269 its sum of digits (26), we obtain a palindrome (342243).

The spelling of 342269 in words is "three hundred forty-two thousand, two hundred sixty-nine".