341689 has 4 divisors (see below), whose sum is σ = 342900. Its totient is φ = 340480.

The previous prime is 341687. The next prime is 341701. The reversal of 341689 is 986143.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 71289 + 270400 = 267^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 341689 - 2¹ = 341687 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3⁷ + 4 + 6⁷ + 1 + 8³ + 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 341689.

It is not an unprimeable number, because it can be changed into a prime (341681) 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 3 ways as a sum of consecutive naturals, for example, 69 + ... + 829.

It is an arithmetic number, because the mean of its divisors is an integer number (85725).

2³⁴¹⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

341689 is a deficient number, since it is larger than the sum of its proper divisors (1211).

341689 is an equidigital number, since it uses as much as digits as its factorization.

341689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210.

The product of its digits is 5184, while the sum is 31.

The square root of 341689 is about 584.5417008221. The cubic root of 341689 is about 69.9107024600.

The spelling of 341689 in words is "three hundred forty-one thousand, six hundred eighty-nine".