198970344 has 112 divisors (see below), whose sum is σ = 566283300. Its totient is φ = 65505024.

The previous prime is 198970327. The next prime is 198970379. The reversal of 198970344 is 443079891.

It can be written as a sum of positive squares in 2 ways, for example, as 186650244 + 12320100 = 13662^2 + 3510^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 198970344.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 635532 + ... + 635844.

Almost surely, 2^198970344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198970344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283141650).

198970344 is an abundant number, since it is smaller than the sum of its proper divisors (367312956).

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

198970344 is a wasteful number, since it uses less digits than its factorization.

198970344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 198970344 is about 14105.6848114510. The cubic root of 198970344 is about 583.7982429977.

The spelling of 198970344 in words is "one hundred ninety-eight million, nine hundred seventy thousand, three hundred forty-four".