198231004 has 12 divisors (see below), whose sum is σ = 348982704. Its totient is φ = 98521664.

The previous prime is 198231001. The next prime is 198231049. The reversal of 198231004 is 400132891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198231001) 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, 147709 + ... + 149044.

It is an arithmetic number, because the mean of its divisors is an integer number (29081892).

Almost surely, 2^198231004 is an apocalyptic number.

It is an amenable number.

198231004 is a deficient number, since it is larger than the sum of its proper divisors (150751700).

198231004 is a wasteful number, since it uses less digits than its factorization.

198231004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296924 (or 296922 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 198231004 is about 14079.4532564301. The cubic root of 198231004 is about 583.0742471395.

Adding to 198231004 its reverse (400132891), we get a palindrome (598363895).

The spelling of 198231004 in words is "one hundred ninety-eight million, two hundred thirty-one thousand, four".