198860283 has 12 divisors (see below), whose sum is σ = 289506048. Its totient is φ = 131528880.

The previous prime is 198860273. The next prime is 198860329. The reversal of 198860283 is 382068891.

It is not a de Polignac number, because 198860283 - 2⁶ = 198860219 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (198860273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85848 + ... + 88133.

It is an arithmetic number, because the mean of its divisors is an integer number (24125504).

Almost surely, 2^198860283 is an apocalyptic number.

198860283 is a deficient number, since it is larger than the sum of its proper divisors (90645765).

198860283 is a wasteful number, since it uses less digits than its factorization.

198860283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174114 (or 174111 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 198860283 is about 14101.7829723762. The cubic root of 198860283 is about 583.6905799358.

The spelling of 198860283 in words is "one hundred ninety-eight million, eight hundred sixty thousand, two hundred eighty-three".