198966748 has 24 divisors (see below), whose sum is σ = 352876160. Its totient is φ = 98152560.

The previous prime is 198966743. The next prime is 198966749. The reversal of 198966748 is 847669891.

It is a junction number, because it is equal to n+sod(n) for n = 198966692 and 198966701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198966743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135643 + ... + 137101.

Almost surely, 2^198966748 is an apocalyptic number.

It is an amenable number.

198966748 is a deficient number, since it is larger than the sum of its proper divisors (153909412).

198966748 is a wasteful number, since it uses less digits than its factorization.

198966748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1895 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The square root of 198966748 is about 14105.5573445362. The cubic root of 198966748 is about 583.7947259725.

The spelling of 198966748 in words is "one hundred ninety-eight million, nine hundred sixty-six thousand, seven hundred forty-eight".