198942746 has 8 divisors (see below), whose sum is σ = 301203360. Its totient is φ = 98541628.

The previous prime is 198942743. The next prime is 198942763. The reversal of 198942746 is 647249891.

198942746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 198942694 and 198942703.

It is not an unprimeable number, because it can be changed into a prime (198942743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464606 + ... + 465033.

It is an arithmetic number, because the mean of its divisors is an integer number (37650420).

Almost surely, 2^198942746 is an apocalyptic number.

198942746 is a deficient number, since it is larger than the sum of its proper divisors (102260614).

198942746 is a wasteful number, since it uses less digits than its factorization.

198942746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929748.

The product of its digits is 870912, while the sum is 50.

The square root of 198942746 is about 14104.7065194565. The cubic root of 198942746 is about 583.7712500155.

The spelling of 198942746 in words is "one hundred ninety-eight million, nine hundred forty-two thousand, seven hundred forty-six".