342769 has 8 divisors (see below), whose sum is σ = 408960. Its totient is φ = 280896.

The previous prime is 342761. The next prime is 342791. The reversal of 342769 is 967243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342769 - 2³ = 342761 is a prime.

It is a super-2 number, since 2×342769² = 234981174722, which contains 22 as substring.

It is a Duffinian number.

342769 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 342769.

It is not an unprimeable number, because it can be changed into a prime (342761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (51120).

2³⁴²⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

342769 is a deficient number, since it is larger than the sum of its proper divisors (66191).

342769 is a wasteful number, since it uses less digits than its factorization.

342769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its digits is 9072, while the sum is 31.

The square root of 342769 is about 585.4647726379. The cubic root of 342769 is about 69.9842821853.

It can be divided in two parts, 342 and 769, that added together give a palindrome (1111).

The spelling of 342769 in words is "three hundred forty-two thousand, seven hundred sixty-nine".