199040585 has 8 divisors (see below), whose sum is σ = 242414016. Its totient is φ = 156855600.

The previous prime is 199040581. The next prime is 199040603. The reversal of 199040585 is 585040991.

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 199040585 - 2² = 199040581 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199040581) 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, 296741 + ... + 297410.

It is an arithmetic number, because the mean of its divisors is an integer number (30301752).

Almost surely, 2^199040585 is an apocalyptic number.

It is an amenable number.

199040585 is a deficient number, since it is larger than the sum of its proper divisors (43373431).

199040585 is an equidigital number, since it uses as much as digits as its factorization.

199040585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594223.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 199040585 is about 14108.1744035151. The cubic root of 199040585 is about 583.8669328790.

The spelling of 199040585 in words is "one hundred ninety-nine million, forty thousand, five hundred eighty-five".