190193311 has 16 divisors (see below), whose sum is σ = 239436288. Its totient is φ = 146757600.

The previous prime is 190193261. The next prime is 190193317. The reversal of 190193311 is 113391091.

It is not a de Polignac number, because 190193311 - 2¹³ = 190185119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190193311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190193317) 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 15 ways as a sum of consecutive naturals, for example, 4060 + ... + 19921.

It is an arithmetic number, because the mean of its divisors is an integer number (14964768).

Almost surely, 2^190193311 is an apocalyptic number.

190193311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

190193311 is a deficient number, since it is larger than the sum of its proper divisors (49242977).

190193311 is a wasteful number, since it uses less digits than its factorization.

190193311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24102.

The product of its (nonzero) digits is 729, while the sum is 28.

The square root of 190193311 is about 13791.0590963856. The cubic root of 190193311 is about 575.0846111154.

The spelling of 190193311 in words is "one hundred ninety million, one hundred ninety-three thousand, three hundred eleven".