198290115 has 24 divisors (see below), whose sum is σ = 346336848. Its totient is φ = 104944320.

The previous prime is 198290111. The next prime is 198290117. The reversal of 198290115 is 511092891.

It is not a de Polignac number, because 198290115 - 2² = 198290111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198290115.

It is not an unprimeable number, because it can be changed into a prime (198290111) 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, 10924 + ... + 22713.

It is an arithmetic number, because the mean of its divisors is an integer number (14430702).

Almost surely, 2^198290115 is an apocalyptic number.

198290115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198290115 is a deficient number, since it is larger than the sum of its proper divisors (148046733).

198290115 is a wasteful number, since it uses less digits than its factorization.

198290115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33779 (or 33776 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The square root of 198290115 is about 14081.5522936926. The cubic root of 198290115 is about 583.1321975035.

The spelling of 198290115 in words is "one hundred ninety-eight million, two hundred ninety thousand, one hundred fifteen".