198849141 has 16 divisors (see below), whose sum is σ = 296301120. Its totient is φ = 131796720.

The previous prime is 198849113. The next prime is 198849169. The reversal of 198849141 is 141948891.

It is an interprime number because it is at equal distance from previous prime (198849113) and next prime (198849169).

It is not a de Polignac number, because 198849141 - 2¹⁹ = 198324853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198849181) 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, 16615 + ... + 25956.

It is an arithmetic number, because the mean of its divisors is an integer number (18518820).

Almost surely, 2^198849141 is an apocalyptic number.

It is an amenable number.

198849141 is a deficient number, since it is larger than the sum of its proper divisors (97451979).

198849141 is a wasteful number, since it uses less digits than its factorization.

198849141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42753 (or 42747 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 198849141 is about 14101.3879104151. The cubic root of 198849141 is about 583.6796784764.

The spelling of 198849141 in words is "one hundred ninety-eight million, eight hundred forty-nine thousand, one hundred forty-one".