198298026 has 24 divisors (see below), whose sum is σ = 439639200. Its totient is φ = 64561896.

The previous prime is 198298021. The next prime is 198298031. The reversal of 198298026 is 620892891.

It is an interprime number because it is at equal distance from previous prime (198298021) and next prime (198298031).

It is not an unprimeable number, because it can be changed into a prime (198298021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127326 + ... + 128873.

It is an arithmetic number, because the mean of its divisors is an integer number (18318300).

Almost surely, 2^198298026 is an apocalyptic number.

198298026 is an abundant number, since it is smaller than the sum of its proper divisors (241341174).

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

198298026 is a wasteful number, since it uses less digits than its factorization.

198298026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256250 (or 256247 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 198298026 is about 14081.8331903201. The cubic root of 198298026 is about 583.1399522984.

The spelling of 198298026 in words is "one hundred ninety-eight million, two hundred ninety-eight thousand, twenty-six".