198085383 has 24 divisors (see below), whose sum is σ = 294621600. Its totient is φ = 128153664.

The previous prime is 198085367. The next prime is 198085387. The reversal of 198085383 is 383580891.

198085383 is a `hidden beast` number, since 198 + 0 + 85 + 383 = 666.

It is not a de Polignac number, because 198085383 - 2⁴ = 198085367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198085387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235678 + ... + 236516.

It is an arithmetic number, because the mean of its divisors is an integer number (12275900).

Almost surely, 2^198085383 is an apocalyptic number.

198085383 is a deficient number, since it is larger than the sum of its proper divisors (96536217).

198085383 is a wasteful number, since it uses less digits than its factorization.

198085383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 198085383 is about 14074.2809052541. The cubic root of 198085383 is about 582.9314362221.

The spelling of 198085383 in words is "one hundred ninety-eight million, eighty-five thousand, three hundred eighty-three".