190239198 has 8 divisors (see below), whose sum is σ = 380478408. Its totient is φ = 63413064.

The previous prime is 190239193. The next prime is 190239199. The reversal of 190239198 is 891932091.

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

190239198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190239193) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15853261 + ... + 15853272.

It is an arithmetic number, because the mean of its divisors is an integer number (47559801).

Almost surely, 2^190239198 is an apocalyptic number.

190239198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

190239198 is a wasteful number, since it uses less digits than its factorization.

190239198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31706538.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 190239198 is about 13792.7226463813. The cubic root of 190239198 is about 575.1308566702.

The spelling of 190239198 in words is "one hundred ninety million, two hundred thirty-nine thousand, one hundred ninety-eight".