198519050 has 24 divisors (see below), whose sum is σ = 369699552. Its totient is φ = 79310000.

The previous prime is 198519037. The next prime is 198519059. The reversal of 198519050 is 50915891.

It is a junction number, because it is equal to n+sod(n) for n = 198518995 and 198519013.

It is not an unprimeable number, because it can be changed into a prime (198519059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49625 + ... + 53475.

It is an arithmetic number, because the mean of its divisors is an integer number (15404148).

Almost surely, 2^198519050 is an apocalyptic number.

198519050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198519050 is a deficient number, since it is larger than the sum of its proper divisors (171180502).

198519050 is a wasteful number, since it uses less digits than its factorization.

198519050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894 (or 4889 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 198519050 is about 14089.6788465884. The cubic root of 198519050 is about 583.3565287829.

The spelling of 198519050 in words is "one hundred ninety-eight million, five hundred nineteen thousand, fifty".