198968946 has 64 divisors (see below), whose sum is σ = 447935616. Its totient is φ = 58406400.

The previous prime is 198968831. The next prime is 198968951. The reversal of 198968946 is 649869891.

198968946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 198968946.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293560 + ... + 294236.

It is an arithmetic number, because the mean of its divisors is an integer number (6998994).

Almost surely, 2^198968946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198968946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223967808).

198968946 is an abundant number, since it is smaller than the sum of its proper divisors (248966670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198968946 is a wasteful number, since it uses less digits than its factorization.

198968946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827.

The product of its digits is 6718464, while the sum is 60.

The square root of 198968946 is about 14105.6352568752. The cubic root of 198968946 is about 583.7968757054.

The spelling of 198968946 in words is "one hundred ninety-eight million, nine hundred sixty-eight thousand, nine hundred forty-six".