198634030 has 16 divisors (see below), whose sum is σ = 408618720. Its totient is φ = 68103072.

The previous prime is 198634013. The next prime is 198634067. The reversal of 198634030 is 30436891.

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 7 ways as a sum of consecutive naturals, for example, 1418745 + ... + 1418884.

It is an arithmetic number, because the mean of its divisors is an integer number (25538670).

Almost surely, 2^198634030 is an apocalyptic number.

198634030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198634030 is an abundant number, since it is smaller than the sum of its proper divisors (209984690).

198634030 is a wasteful number, since it uses less digits than its factorization.

198634030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837643.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 198634030 is about 14093.7585476692. The cubic root of 198634030 is about 583.4691315587.

The spelling of 198634030 in words is "one hundred ninety-eight million, six hundred thirty-four thousand, thirty".