198425034 has 24 divisors (see below), whose sum is σ = 430236612. Its totient is φ = 66093120.

The previous prime is 198424943. The next prime is 198425041. The reversal of 198425034 is 430524891.

It can be written as a sum of positive squares in 2 ways, for example, as 193349025 + 5076009 = 13905^2 + 2253^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 198425034.

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 11 ways as a sum of consecutive naturals, for example, 28014 + ... + 34374.

Almost surely, 2^198425034 is an apocalyptic number.

198425034 is an abundant number, since it is smaller than the sum of its proper divisors (231811578).

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

198425034 is a wasteful number, since it uses less digits than its factorization.

198425034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102 (or 8099 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 198425034 is about 14086.3421085816. The cubic root of 198425034 is about 583.2644242592.

The spelling of 198425034 in words is "one hundred ninety-eight million, four hundred twenty-five thousand, thirty-four".