199985094 has 48 divisors (see below), whose sum is σ = 447265728. Its totient is φ = 64544256.

The previous prime is 199985083. The next prime is 199985101. The reversal of 199985094 is 490589991.

It is a self number, because there is not a number n which added to its sum of digits gives 199985094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80844 + ... + 83280.

It is an arithmetic number, because the mean of its divisors is an integer number (9318036).

Almost surely, 2^199985094 is an apocalyptic number.

199985094 is an abundant number, since it is smaller than the sum of its proper divisors (247280634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199985094 is a wasteful number, since it uses less digits than its factorization.

199985094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 199985094 is about 14141.6086072271. The cubic root of 199985094 is about 584.7890188122.

The spelling of 199985094 in words is "one hundred ninety-nine million, nine hundred eighty-five thousand, ninety-four".