198425326 has 16 divisors (see below), whose sum is σ = 343796400. Its totient is φ = 84887680.

The previous prime is 198425323. The next prime is 198425329. The reversal of 198425326 is 623524891.

It is an interprime number because it is at equal distance from previous prime (198425323) and next prime (198425329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198425321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264901 + ... + 265648.

It is an arithmetic number, because the mean of its divisors is an integer number (21487275).

Almost surely, 2^198425326 is an apocalyptic number.

198425326 is a deficient number, since it is larger than the sum of its proper divisors (145371074).

198425326 is a wasteful number, since it uses less digits than its factorization.

198425326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530579.

The product of its digits is 103680, while the sum is 40.

The square root of 198425326 is about 14086.3524732274. The cubic root of 198425326 is about 583.2647103675.

It can be divided in two parts, 198 and 425326, that added together give a palindrome (425524).

The spelling of 198425326 in words is "one hundred ninety-eight million, four hundred twenty-five thousand, three hundred twenty-six".