198982293 has 4 divisors (see below), whose sum is σ = 265309728. Its totient is φ = 132654860.

The previous prime is 198982249. The next prime is 198982321. The reversal of 198982293 is 392289891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 198982293 - 2⁸ = 198982037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198982393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33163713 + ... + 33163718.

It is an arithmetic number, because the mean of its divisors is an integer number (66327432).

Almost surely, 2^198982293 is an apocalyptic number.

It is an amenable number.

198982293 is a deficient number, since it is larger than the sum of its proper divisors (66327435).

198982293 is an equidigital number, since it uses as much as digits as its factorization.

198982293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66327434.

The product of its digits is 559872, while the sum is 51.

The square root of 198982293 is about 14106.1083577293. The cubic root of 198982293 is about 583.8099292712.

The spelling of 198982293 in words is "one hundred ninety-eight million, nine hundred eighty-two thousand, two hundred ninety-three".