199343085 has 16 divisors (see below), whose sum is σ = 319289280. Its totient is φ = 106202880.

The previous prime is 199343069. The next prime is 199343119. The reversal of 199343085 is 580343991.

It is not a de Polignac number, because 199343085 - 2⁴ = 199343069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8550 + ... + 21720.

It is an arithmetic number, because the mean of its divisors is an integer number (19955580).

Almost surely, 2^199343085 is an apocalyptic number.

199343085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199343085 is a deficient number, since it is larger than the sum of its proper divisors (119946195).

199343085 is a wasteful number, since it uses less digits than its factorization.

199343085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14188.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 199343085 is about 14118.8910683524. The cubic root of 199343085 is about 584.1625683104.

The spelling of 199343085 in words is "one hundred ninety-nine million, three hundred forty-three thousand, eighty-five".