198951748 has 24 divisors (see below), whose sum is σ = 384676992. Its totient is φ = 89553024.

The previous prime is 198951737. The next prime is 198951763. The reversal of 198951748 is 847159891.

It is a junction number, because it is equal to n+sod(n) for n = 198951695 and 198951704.

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, 62040 + ... + 65167.

It is an arithmetic number, because the mean of its divisors is an integer number (16028208).

Almost surely, 2^198951748 is an apocalyptic number.

It is an amenable number.

198951748 is a deficient number, since it is larger than the sum of its proper divisors (185725244).

198951748 is a wasteful number, since it uses less digits than its factorization.

198951748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127251 (or 127249 counting only the distinct ones).

The product of its digits is 725760, while the sum is 52.

The square root of 198951748 is about 14105.0256291862. The cubic root of 198951748 is about 583.7800549433.

The spelling of 198951748 in words is "one hundred ninety-eight million, nine hundred fifty-one thousand, seven hundred forty-eight".