834199217 has 8 divisors (see below), whose sum is σ = 848958312. Its totient is φ = 819475200.

The previous prime is 834199169. The next prime is 834199229. The reversal of 834199217 is 712991438.

It can be written as a sum of positive squares in 4 ways, for example, as 89946256 + 744252961 = 9484^2 + 27281^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 834199217 - 2⁶ = 834199153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834499217) 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 7 ways as a sum of consecutive naturals, for example, 41753 + ... + 58409.

It is an arithmetic number, because the mean of its divisors is an integer number (106119789).

Almost surely, 2^834199217 is an apocalyptic number.

It is an amenable number.

834199217 is a deficient number, since it is larger than the sum of its proper divisors (14759095).

834199217 is a wasteful number, since it uses less digits than its factorization.

834199217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17539.

The product of its digits is 108864, while the sum is 44.

The square root of 834199217 is about 28882.5071107063. The cubic root of 834199217 is about 941.3618471496.

The spelling of 834199217 in words is "eight hundred thirty-four million, one hundred ninety-nine thousand, two hundred seventeen".