198052992 has 128 divisors (see below), whose sum is σ = 619099200. Its totient is φ = 62115840.

The previous prime is 198052973. The next prime is 198053039. The reversal of 198052992 is 299250891.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57067 + ... + 60437.

Almost surely, 2^198052992 is an apocalyptic number.

198052992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198052992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309549600).

198052992 is an abundant number, since it is smaller than the sum of its proper divisors (421046208).

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

198052992 is a wasteful number, since it uses less digits than its factorization.

198052992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411 (or 3393 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 198052992 is about 14073.1301422249. The cubic root of 198052992 is about 582.8996607639.

The spelling of 198052992 in words is "one hundred ninety-eight million, fifty-two thousand, nine hundred ninety-two".