682189 has 4 divisors (see below), whose sum is σ = 686140. Its totient is φ = 678240.

The previous prime is 682183. The next prime is 682207. The reversal of 682189 is 981286.

682189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 981286 = 2 ⋅490643.

It can be written as a sum of positive squares in 2 ways, for example, as 233289 + 448900 = 483^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 682189 - 2⁹ = 681677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682183) 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, 1704 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (171535).

2⁶⁸²¹⁸⁹ is an apocalyptic number.

It is an amenable number.

682189 is a deficient number, since it is larger than the sum of its proper divisors (3951).

682189 is a wasteful number, since it uses less digits than its factorization.

682189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950.

The product of its digits is 6912, while the sum is 34.

The square root of 682189 is about 825.9473348828. The cubic root of 682189 is about 88.0308517858.

The spelling of 682189 in words is "six hundred eighty-two thousand, one hundred eighty-nine".