198115746 has 16 divisors (see below), whose sum is σ = 402948000. Its totient is φ = 64919168.

The previous prime is 198115703. The next prime is 198115777. The reversal of 198115746 is 647511891.

198115746 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 198115698 and 198115707.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 279471 + ... + 280178.

It is an arithmetic number, because the mean of its divisors is an integer number (25184250).

Almost surely, 2^198115746 is an apocalyptic number.

198115746 is an abundant number, since it is smaller than the sum of its proper divisors (204832254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198115746 is a wasteful number, since it uses less digits than its factorization.

198115746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559713.

The product of its digits is 60480, while the sum is 42.

The square root of 198115746 is about 14075.3595335963. The cubic root of 198115746 is about 582.9612190741.

The spelling of 198115746 in words is "one hundred ninety-eight million, one hundred fifteen thousand, seven hundred forty-six".