198401298 has 32 divisors (see below), whose sum is σ = 404494656. Its totient is φ = 64862208.

The previous prime is 198401297. The next prime is 198401299. The reversal of 198401298 is 892104891.

It is an interprime number because it is at equal distance from previous prime (198401297) and next prime (198401299).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (198401297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83361 + ... + 85707.

It is an arithmetic number, because the mean of its divisors is an integer number (12640458).

Almost surely, 2^198401298 is an apocalyptic number.

198401298 is an abundant number, since it is smaller than the sum of its proper divisors (206093358).

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

198401298 is a wasteful number, since it uses less digits than its factorization.

198401298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 198401298 is about 14085.4995651556. The cubic root of 198401298 is about 583.2411662456.

The spelling of 198401298 in words is "one hundred ninety-eight million, four hundred one thousand, two hundred ninety-eight".