342287269 has 4 divisors (see below), whose sum is σ = 346411296. Its totient is φ = 338163244.

The previous prime is 342287251. The next prime is 342287279. The reversal of 342287269 is 962782243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 962782243 = 79 ⋅12187117.

It is a cyclic number.

It is not a de Polignac number, because 342287269 - 2¹⁷ = 342156197 is a prime.

It is a super-2 number, since 2×342287269² = 234321149038956722, 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 (342287279) 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, 2061889 + ... + 2062054.

It is an arithmetic number, because the mean of its divisors is an integer number (86602824).

Almost surely, 2^342287269 is an apocalyptic number.

It is an amenable number.

342287269 is a deficient number, since it is larger than the sum of its proper divisors (4124027).

342287269 is an equidigital number, since it uses as much as digits as its factorization.

342287269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124026.

The product of its digits is 290304, while the sum is 43.

The square root of 342287269 is about 18501.0072428503. The cubic root of 342287269 is about 699.5148127621.

The spelling of 342287269 in words is "three hundred forty-two million, two hundred eighty-seven thousand, two hundred sixty-nine".