198826885 has 8 divisors (see below), whose sum is σ = 238709376. Its totient is φ = 158983440.

The previous prime is 198826829. The next prime is 198826919. The reversal of 198826885 is 588628891.

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

It is not a de Polignac number, because 198826885 - 2⁷ = 198826757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952 + ... + 20158.

It is an arithmetic number, because the mean of its divisors is an integer number (29838672).

Almost surely, 2^198826885 is an apocalyptic number.

It is an amenable number.

198826885 is a deficient number, since it is larger than the sum of its proper divisors (39882491).

198826885 is a wasteful number, since it uses less digits than its factorization.

198826885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19523.

The product of its digits is 2211840, while the sum is 55.

The square root of 198826885 is about 14100.5987461526. The cubic root of 198826885 is about 583.6579017340.

The spelling of 198826885 in words is "one hundred ninety-eight million, eight hundred twenty-six thousand, eight hundred eighty-five".