198424274 has 8 divisors (see below), whose sum is σ = 304558320. Its totient is φ = 96904836.

The previous prime is 198424249. The next prime is 198424309. The reversal of 198424274 is 472424891.

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

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 3 ways as a sum of consecutive naturals, for example, 1153544 + ... + 1153715.

It is an arithmetic number, because the mean of its divisors is an integer number (38069790).

Almost surely, 2^198424274 is an apocalyptic number.

198424274 is a deficient number, since it is larger than the sum of its proper divisors (106134046).

198424274 is a wasteful number, since it uses less digits than its factorization.

198424274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307304.

The product of its digits is 129024, while the sum is 41.

The square root of 198424274 is about 14086.3151320706. The cubic root of 198424274 is about 583.2636795925.

The spelling of 198424274 in words is "one hundred ninety-eight million, four hundred twenty-four thousand, two hundred seventy-four".