190330986 has 16 divisors (see below), whose sum is σ = 389515104. Its totient is φ = 61968144.

The previous prime is 190330981. The next prime is 190330993. The reversal of 190330986 is 689033091.

It is not an unprimeable number, because it can be changed into a prime (190330981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 368601 + ... + 369116.

It is an arithmetic number, because the mean of its divisors is an integer number (24344694).

Almost surely, 2^190330986 is an apocalyptic number.

190330986 is an abundant number, since it is smaller than the sum of its proper divisors (199184118).

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

190330986 is a wasteful number, since it uses less digits than its factorization.

190330986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737765.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 190330986 is about 13796.0496519837. The cubic root of 190330986 is about 575.2233395790.

The spelling of 190330986 in words is "one hundred ninety million, three hundred thirty thousand, nine hundred eighty-six".