198696975 has 12 divisors (see below), whose sum is σ = 328512456. Its totient is φ = 105971680.

The previous prime is 198696943. The next prime is 198696989. The reversal of 198696975 is 579696891.

It is not a de Polignac number, because 198696975 - 2⁵ = 198696943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1324572 + ... + 1324721.

It is an arithmetic number, because the mean of its divisors is an integer number (27376038).

Almost surely, 2^198696975 is an apocalyptic number.

198696975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198696975 is a deficient number, since it is larger than the sum of its proper divisors (129815481).

198696975 is a wasteful number, since it uses less digits than its factorization.

198696975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649306 (or 2649301 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 60.

The square root of 198696975 is about 14095.9914514730. The cubic root of 198696975 is about 583.5307567592.

The spelling of 198696975 in words is "one hundred ninety-eight million, six hundred ninety-six thousand, nine hundred seventy-five".