198989201 has 8 divisors (see below), whose sum is σ = 201115200. Its totient is φ = 196868880.

The previous prime is 198989183. The next prime is 198989209. The reversal of 198989201 is 102989891.

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

It is a cyclic number.

It is not a de Polignac number, because 198989201 - 2¹⁴ = 198972817 is a prime.

It is a super-2 number, since 2×198989201² = 79193404229236802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198989209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126860 + ... + 128418.

It is an arithmetic number, because the mean of its divisors is an integer number (25139400).

Almost surely, 2^198989201 is an apocalyptic number.

It is an amenable number.

198989201 is a deficient number, since it is larger than the sum of its proper divisors (2125999).

198989201 is a wasteful number, since it uses less digits than its factorization.

198989201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 198989201 is about 14106.3532140663. The cubic root of 198989201 is about 583.8166851694.

The spelling of 198989201 in words is "one hundred ninety-eight million, nine hundred eighty-nine thousand, two hundred one".