198471801 has 16 divisors (see below), whose sum is σ = 289245888. Its totient is φ = 120052800.

The previous prime is 198471751. The next prime is 198471829. The reversal of 198471801 is 108174891.

It is not a de Polignac number, because 198471801 - 2⁷ = 198471673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198471801.

It is not an unprimeable number, because it can be changed into a prime (198471851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12295 + ... + 23411.

It is an arithmetic number, because the mean of its divisors is an integer number (18077868).

Almost surely, 2^198471801 is an apocalyptic number.

198471801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

198471801 is a deficient number, since it is larger than the sum of its proper divisors (90774087).

198471801 is a wasteful number, since it uses less digits than its factorization.

198471801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672.

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 198471801 is about 14088.0020229982. The cubic root of 198471801 is about 583.3102440566.

The spelling of 198471801 in words is "one hundred ninety-eight million, four hundred seventy-one thousand, eight hundred one".