198394850 has 24 divisors (see below), whose sum is σ = 369622548. Its totient is φ = 79227200.

The previous prime is 198394793. The next prime is 198394853. The reversal of 198394850 is 58493891.

It can be written as a sum of positive squares in 6 ways, for example, as 135652609 + 62742241 = 11647^2 + 7921^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 198394795 and 198394804.

It is not an unprimeable number, because it can be changed into a prime (198394853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30920 + ... + 36780.

Almost surely, 2^198394850 is an apocalyptic number.

198394850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198394850 is a deficient number, since it is larger than the sum of its proper divisors (171227698).

198394850 is a wasteful number, since it uses less digits than its factorization.

198394850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550 (or 6545 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 198394850 is about 14085.2706754254. The cubic root of 198394850 is about 583.2348477725.

The spelling of 198394850 in words is "one hundred ninety-eight million, three hundred ninety-four thousand, eight hundred fifty".