198190270 has 8 divisors (see below), whose sum is σ = 356742504. Its totient is φ = 79276104.

The previous prime is 198190259. The next prime is 198190271. The reversal of 198190270 is 72091891.

198190270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198190271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9909504 + ... + 9909523.

It is an arithmetic number, because the mean of its divisors is an integer number (44592813).

Almost surely, 2^198190270 is an apocalyptic number.

198190270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198190270 is a deficient number, since it is larger than the sum of its proper divisors (158552234).

198190270 is a wasteful number, since it uses less digits than its factorization.

198190270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19819034.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 198190270 is about 14078.0066060504. The cubic root of 198190270 is about 583.0343062407.

The spelling of 198190270 in words is "one hundred ninety-eight million, one hundred ninety thousand, two hundred seventy".