198299854 has 8 divisors (see below), whose sum is σ = 307706760. Its totient is φ = 95730936.

The previous prime is 198299831. The next prime is 198299863. The reversal of 198299854 is 458992891.

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

It is a junction number, because it is equal to n+sod(n) for n = 198299795 and 198299804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709424 + ... + 1709539.

It is an arithmetic number, because the mean of its divisors is an integer number (38463345).

Almost surely, 2^198299854 is an apocalyptic number.

198299854 is a deficient number, since it is larger than the sum of its proper divisors (109406906).

198299854 is a wasteful number, since it uses less digits than its factorization.

198299854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418994.

The product of its digits is 1866240, while the sum is 55.

The square root of 198299854 is about 14081.8980964925. The cubic root of 198299854 is about 583.1417441746.

The spelling of 198299854 in words is "one hundred ninety-eight million, two hundred ninety-nine thousand, eight hundred fifty-four".