190199008 has 24 divisors (see below), whose sum is σ = 380804760. Its totient is φ = 93486720.

The previous prime is 190198999. The next prime is 190199017. The reversal of 190199008 is 800991091.

It is an interprime number because it is at equal distance from previous prime (190198999) and next prime (190199017).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48483 + ... + 52258.

It is an arithmetic number, because the mean of its divisors is an integer number (15866865).

Almost surely, 2^190199008 is an apocalyptic number.

It is an amenable number.

190199008 is an abundant number, since it is smaller than the sum of its proper divisors (190605752).

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

190199008 is a wasteful number, since it uses less digits than its factorization.

190199008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100810 (or 100802 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 190199008 is about 13791.2656417024. The cubic root of 190199008 is about 575.0903530353.

The spelling of 190199008 in words is "one hundred ninety million, one hundred ninety-nine thousand, eight".