67389 has 8 divisors (see below), whose sum is σ = 102720. Its totient is φ = 38496.

The previous prime is 67369. The next prime is 67391. The reversal of 67389 is 98376.

It is a happy number.

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

It is not a de Polignac number, because 67389 - 2⁷ = 67261 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 7² + 3 + 8³ + 9⁵ .

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (12840).

2⁶⁷³⁸⁹ is an apocalyptic number.

It is an amenable number.

67389 is a deficient number, since it is larger than the sum of its proper divisors (35331).

67389 is a wasteful number, since it uses less digits than its factorization.

67389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219.

The product of its digits is 9072, while the sum is 33.

The square root of 67389 is about 259.5939136421. The cubic root of 67389 is about 40.6939334590.

The spelling of 67389 in words is "sixty-seven thousand, three hundred eighty-nine".