199380585 has 16 divisors (see below), whose sum is σ = 335799360. Its totient is φ = 100739520.

The previous prime is 199380557. The next prime is 199380589. The reversal of 199380585 is 585083991.

It is not a de Polignac number, because 199380585 - 2⁵ = 199380553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (199380589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349506 + ... + 350075.

It is an arithmetic number, because the mean of its divisors is an integer number (20987460).

Almost surely, 2^199380585 is an apocalyptic number.

199380585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199380585 is a deficient number, since it is larger than the sum of its proper divisors (136418775).

199380585 is a wasteful number, since it uses less digits than its factorization.

199380585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699608.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 199380585 is about 14120.2190138822. The cubic root of 199380585 is about 584.1991964898.

The spelling of 199380585 in words is "one hundred ninety-nine million, three hundred eighty thousand, five hundred eighty-five".