198955283 has 8 divisors (see below), whose sum is σ = 207053280. Its totient is φ = 190939840.

The previous prime is 198955271. The next prime is 198955297. The reversal of 198955283 is 382559891.

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 198955283 - 2⁶ = 198955219 is a prime.

It is a super-2 number, since 2×198955283² = 79166409267220178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198955483) 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, 15698 + ... + 25383.

It is an arithmetic number, because the mean of its divisors is an integer number (25881660).

Almost surely, 2^198955283 is an apocalyptic number.

198955283 is a deficient number, since it is larger than the sum of its proper divisors (8097997).

198955283 is a wasteful number, since it uses less digits than its factorization.

198955283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41277.

The product of its digits is 777600, while the sum is 50.

The square root of 198955283 is about 14105.1509385756. The cubic root of 198955283 is about 583.7835124822.

The spelling of 198955283 in words is "one hundred ninety-eight million, nine hundred fifty-five thousand, two hundred eighty-three".