198250393 has 12 divisors (see below), whose sum is σ = 218299284. Its totient is φ = 179907200.

The previous prime is 198250319. The next prime is 198250417. The reversal of 198250393 is 393052891.

It can be written as a sum of positive squares in 2 ways, for example, as 5234944 + 193015449 = 2288^2 + 13893^2 .

It is not a de Polignac number, because 198250393 - 2¹³ = 198242201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198250303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91005 + ... + 93157.

It is an arithmetic number, because the mean of its divisors is an integer number (18191607).

Almost surely, 2^198250393 is an apocalyptic number.

It is an amenable number.

198250393 is a deficient number, since it is larger than the sum of its proper divisors (20048891).

198250393 is a wasteful number, since it uses less digits than its factorization.

198250393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936 (or 2925 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 198250393 is about 14080.1417961610. The cubic root of 198250393 is about 583.0932567088.

The spelling of 198250393 in words is "one hundred ninety-eight million, two hundred fifty thousand, three hundred ninety-three".