198471105 has 24 divisors (see below), whose sum is σ = 393162432. Its totient is φ = 90729504.

The previous prime is 198471067. The next prime is 198471113. The reversal of 198471105 is 501174891.

It is not a de Polignac number, because 198471105 - 2⁷ = 198470977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198471105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314719 + ... + 315348.

It is an arithmetic number, because the mean of its divisors is an integer number (16381768).

Almost surely, 2^198471105 is an apocalyptic number.

198471105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198471105 is a deficient number, since it is larger than the sum of its proper divisors (194691327).

198471105 is a wasteful number, since it uses less digits than its factorization.

198471105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630085 (or 630082 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 198471105 is about 14087.9773211061. The cubic root of 198471105 is about 583.3095622059.

The spelling of 198471105 in words is "one hundred ninety-eight million, four hundred seventy-one thousand, one hundred five".