198049104 has 160 divisors (see below), whose sum is σ = 629959680. Its totient is φ = 59068800.

The previous prime is 198049097. The next prime is 198049139. The reversal of 198049104 is 401940891.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337099 + ... + 337685.

It is an arithmetic number, because the mean of its divisors is an integer number (3937248).

Almost surely, 2^198049104 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 198049104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314979840).

198049104 is an abundant number, since it is smaller than the sum of its proper divisors (431910576).

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

198049104 is a wasteful number, since it uses less digits than its factorization.

198049104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 198049104 is about 14072.9920059666. The cubic root of 198049104 is about 582.8958464166.

Adding to 198049104 its reverse (401940891), we get a palindrome (599989995).

The spelling of 198049104 in words is "one hundred ninety-eight million, forty-nine thousand, one hundred four".