198444956 has 12 divisors (see below), whose sum is σ = 352972200. Its totient is φ = 97595760.

The previous prime is 198444947. The next prime is 198444959. The reversal of 198444956 is 659444891.

198444956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198444959) 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, 406406 + ... + 406893.

It is an arithmetic number, because the mean of its divisors is an integer number (29414350).

Almost surely, 2^198444956 is an apocalyptic number.

It is an amenable number.

198444956 is a deficient number, since it is larger than the sum of its proper divisors (154527244).

198444956 is a wasteful number, since it uses less digits than its factorization.

198444956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813364 (or 813362 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 198444956 is about 14087.0492297003. The cubic root of 198444956 is about 583.2839436461.

The spelling of 198444956 in words is "one hundred ninety-eight million, four hundred forty-four thousand, nine hundred fifty-six".