19085 has 8 divisors (see below), whose sum is σ = 25056. Its totient is φ = 13840.

The previous prime is 19081. The next prime is 19087. The reversal of 19085 is 58091.

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

It is not a de Polignac number, because 19085 - 2² = 19081 is a prime.

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 19085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 228.

It is an arithmetic number, because the mean of its divisors is an integer number (3132).

2¹⁹⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

19085 is a deficient number, since it is larger than the sum of its proper divisors (5971).

19085 is a wasteful number, since it uses less digits than its factorization.

19085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 19085 is about 138.1484708565. The cubic root of 19085 is about 26.7237492498.

The spelling of 19085 in words is "nineteen thousand, eighty-five".