198274711 has 8 divisors (see below), whose sum is σ = 205876800. Its totient is φ = 190723680.

The previous prime is 198274679. The next prime is 198274721. The reversal of 198274711 is 117472891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198274711 - 2⁵ = 198274679 is a prime.

It is a super-2 number, since 2×198274711² = 78625722044267042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198274721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4756 + ... + 20473.

It is an arithmetic number, because the mean of its divisors is an integer number (25734600).

Almost surely, 2^198274711 is an apocalyptic number.

198274711 is a deficient number, since it is larger than the sum of its proper divisors (7602089).

198274711 is a wasteful number, since it uses less digits than its factorization.

198274711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25529.

The product of its digits is 28224, while the sum is 40.

The square root of 198274711 is about 14081.0053263252. The cubic root of 198274711 is about 583.1170970685.

The spelling of 198274711 in words is "one hundred ninety-eight million, two hundred seventy-four thousand, seven hundred eleven".