198473190 has 16 divisors (see below), whose sum is σ = 476335728. Its totient is φ = 52926176.

The previous prime is 198473189. The next prime is 198473239. The reversal of 198473190 is 91374891.

It is a happy number.

It is a super-2 number, since 2×198473190² = 78783214297552200, which contains 22 as substring.

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, 3307857 + ... + 3307916.

It is an arithmetic number, because the mean of its divisors is an integer number (29770983).

Almost surely, 2^198473190 is an apocalyptic number.

198473190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198473190 is an abundant number, since it is smaller than the sum of its proper divisors (277862538).

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

198473190 is a wasteful number, since it uses less digits than its factorization.

198473190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615783.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 198473190 is about 14088.0513201791. The cubic root of 198473190 is about 583.3116048142.

The spelling of 198473190 in words is "one hundred ninety-eight million, four hundred seventy-three thousand, one hundred ninety".