198881461 has 8 divisors (see below), whose sum is σ = 205459200. Its totient is φ = 192313920.

The previous prime is 198881443. The next prime is 198881467. The reversal of 198881461 is 164188891.

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 198881461 - 2⁵ = 198881429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198881467) 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, 74925 + ... + 77533.

It is an arithmetic number, because the mean of its divisors is an integer number (25682400).

Almost surely, 2^198881461 is an apocalyptic number.

It is an amenable number.

198881461 is a deficient number, since it is larger than the sum of its proper divisors (6577739).

198881461 is a wasteful number, since it uses less digits than its factorization.

198881461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099.

The product of its digits is 110592, while the sum is 46.

The square root of 198881461 is about 14102.5338503405. The cubic root of 198881461 is about 583.7112996092.

The spelling of 198881461 in words is "one hundred ninety-eight million, eight hundred eighty-one thousand, four hundred sixty-one".