198968495 has 8 divisors (see below), whose sum is σ = 260467920. Its totient is φ = 144704320.

The previous prime is 198968477. The next prime is 198968503. The reversal of 198968495 is 594869891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198968495 - 2⁶ = 198968431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808750 + ... + 1808859.

It is an arithmetic number, because the mean of its divisors is an integer number (32558490).

Almost surely, 2^198968495 is an apocalyptic number.

198968495 is a deficient number, since it is larger than the sum of its proper divisors (61499425).

198968495 is a wasteful number, since it uses less digits than its factorization.

198968495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617625.

The product of its digits is 5598720, while the sum is 59.

The square root of 198968495 is about 14105.6192703475. The cubic root of 198968495 is about 583.7964346105.

The spelling of 198968495 in words is "one hundred ninety-eight million, nine hundred sixty-eight thousand, four hundred ninety-five".