342589 has 12 divisors (see below), whose sum is σ = 394716. Its totient is φ = 295488.

The previous prime is 342569. The next prime is 342593. The reversal of 342589 is 985243.

It can be written as a sum of positive squares in 2 ways, for example, as 116964 + 225625 = 342^2 + 475^2 .

It is not a de Polignac number, because 342589 - 2⁹ = 342077 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 4⁵ + 5⁴ + 2¹⁸ + 8² + 9⁵ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342569) 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 11 ways as a sum of consecutive naturals, for example, 4657 + ... + 4729.

It is an arithmetic number, because the mean of its divisors is an integer number (32893).

2³⁴²⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

342589 is a deficient number, since it is larger than the sum of its proper divisors (52127).

342589 is a wasteful number, since it uses less digits than its factorization.

342589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 105 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 342589 is about 585.3110284285. The cubic root of 342589 is about 69.9720296415.

The spelling of 342589 in words is "three hundred forty-two thousand, five hundred eighty-nine".