198190084 has 9 divisors (see below), whose sum is σ = 346881927. Its totient is φ = 99080964.

The previous prime is 198190079. The next prime is 198190123. The reversal of 198190084 is 480091891.

The square root of 198190084 is 14078.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24637 + ... + 31675.

Almost surely, 2^198190084 is an apocalyptic number.

198190084 is the 14078-th square number.

It is an amenable number.

198190084 is a deficient number, since it is larger than the sum of its proper divisors (148691843).

198190084 is an frugal number, since it uses more digits than its factorization.

198190084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14082 (or 7041 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The cubic root of 198190084 is about 583.0341238496.

Multiplying 198190084 by its product of nonzero digits (20736), we get a square (4109669581824 = 2027232²).

The spelling of 198190084 in words is "one hundred ninety-eight million, one hundred ninety thousand, eighty-four".