198119385 has 32 divisors (see below), whose sum is σ = 352800000. Its totient is φ = 105487488.

The previous prime is 198119371. The next prime is 198119413. The reversal of 198119385 is 583911891.

It is not a de Polignac number, because 198119385 - 2⁶ = 198119321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 198119385.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140916 + ... + 142314.

It is an arithmetic number, because the mean of its divisors is an integer number (11025000).

Almost surely, 2^198119385 is an apocalyptic number.

198119385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198119385 is a deficient number, since it is larger than the sum of its proper divisors (154680615).

198119385 is a wasteful number, since it uses less digits than its factorization.

198119385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462 (or 2456 counting only the distinct ones).

The product of its digits is 77760, while the sum is 45.

The square root of 198119385 is about 14075.4888014591. The cubic root of 198119385 is about 582.9647883393.

The spelling of 198119385 in words is "one hundred ninety-eight million, one hundred nineteen thousand, three hundred eighty-five".