219085 has 8 divisors (see below), whose sum is σ = 269280. Its totient is φ = 171024.

The previous prime is 219083. The next prime is 219091. The reversal of 219085 is 580912.

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

It is a cyclic number.

It is not a de Polignac number, because 219085 - 2¹ = 219083 is a prime.

219085 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219083) 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, 295 + ... + 724.

It is an arithmetic number, because the mean of its divisors is an integer number (33660).

2²¹⁹⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

219085 is a deficient number, since it is larger than the sum of its proper divisors (50195).

219085 is a wasteful number, since it uses less digits than its factorization.

219085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 219085 is about 468.0651664031. The cubic root of 219085 is about 60.2842989225.

Adding to 219085 its reverse (580912), we get a palindrome (799997).

The spelling of 219085 in words is "two hundred nineteen thousand, eighty-five".