210194193 has 16 divisors (see below), whose sum is σ = 307060416. Its totient is φ = 126839040.

The previous prime is 210194147. The next prime is 210194213. The reversal of 210194193 is 391491012.

It is not a de Polignac number, because 210194193 - 2¹³ = 210186001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210194193.

It is not an unprimeable number, because it can be changed into a prime (210194113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5980 + ... + 21357.

It is an arithmetic number, because the mean of its divisors is an integer number (19191276).

Almost surely, 2^210194193 is an apocalyptic number.

It is an amenable number.

210194193 is a deficient number, since it is larger than the sum of its proper divisors (96866223).

210194193 is a wasteful number, since it uses less digits than its factorization.

210194193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27584.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 210194193 is about 14498.0754929749. The cubic root of 210194193 is about 594.5753559785.

The spelling of 210194193 in words is "two hundred ten million, one hundred ninety-four thousand, one hundred ninety-three".