198290304 has 48 divisors (see below), whose sum is σ = 570604320. Its totient is φ = 66096384.

The previous prime is 198290297. The next prime is 198290333. The reversal of 198290304 is 403092891.

It is a tau number, because it is divible by the number of its divisors (48).

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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84912 + ... + 87215.

It is an arithmetic number, because the mean of its divisors is an integer number (11887590).

Almost surely, 2^198290304 is an apocalyptic number.

It is an amenable number.

198290304 is an abundant number, since it is smaller than the sum of its proper divisors (372314016).

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

198290304 is a wasteful number, since it uses less digits than its factorization.

198290304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172147 (or 172132 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 198290304 is about 14081.5590045989. The cubic root of 198290304 is about 583.1323827741.

The spelling of 198290304 in words is "one hundred ninety-eight million, two hundred ninety thousand, three hundred four".