199216934 has 8 divisors (see below), whose sum is σ = 341514768. Its totient is φ = 85378680.

The previous prime is 199216933. The next prime is 199216937. The reversal of 199216934 is 439612991.

It is a happy number.

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 (199216933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7114877 + ... + 7114904.

It is an arithmetic number, because the mean of its divisors is an integer number (42689346).

Almost surely, 2^199216934 is an apocalyptic number.

199216934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

199216934 is a deficient number, since it is larger than the sum of its proper divisors (142297834).

199216934 is a wasteful number, since it uses less digits than its factorization.

199216934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14229790.

The product of its digits is 104976, while the sum is 44.

The square root of 199216934 is about 14114.4229070834. The cubic root of 199216934 is about 584.0393164092.

The spelling of 199216934 in words is "one hundred ninety-nine million, two hundred sixteen thousand, nine hundred thirty-four".