834109 has 4 divisors (see below), whose sum is σ = 851904. Its totient is φ = 816316.

The previous prime is 834107. The next prime is 834131. The reversal of 834109 is 901438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901438 = 2 ⋅450719.

It is a cyclic number.

It is not a de Polignac number, because 834109 - 2¹ = 834107 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8827 + ... + 8920.

It is an arithmetic number, because the mean of its divisors is an integer number (212976).

2⁸³⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

834109 is a deficient number, since it is larger than the sum of its proper divisors (17795).

834109 is a wasteful number, since it uses less digits than its factorization.

834109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17794.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 834109 is about 913.2956804891. The cubic root of 834109 is about 94.1327910451.

The spelling of 834109 in words is "eight hundred thirty-four thousand, one hundred nine".