198494306 has 8 divisors (see below), whose sum is σ = 298033344. Its totient is φ = 99149860.

The previous prime is 198494291. The next prime is 198494323. The reversal of 198494306 is 603494891.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46070 + ... + 50193.

It is an arithmetic number, because the mean of its divisors is an integer number (37254168).

Almost surely, 2^198494306 is an apocalyptic number.

198494306 is a deficient number, since it is larger than the sum of its proper divisors (99539038).

198494306 is a wasteful number, since it uses less digits than its factorization.

198494306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97296.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 198494306 is about 14088.8007296576. The cubic root of 198494306 is about 583.3322906829.

The spelling of 198494306 in words is "one hundred ninety-eight million, four hundred ninety-four thousand, three hundred six".