834009 has 16 divisors (see below), whose sum is σ = 1228800. Its totient is φ = 498960.

The previous prime is 834007. The next prime is 834013. The reversal of 834009 is 900438.

It is not a de Polignac number, because 834009 - 2¹ = 834007 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 834009.

It is not an unprimeable number, because it can be changed into a prime (834007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4092 + ... + 4290.

It is an arithmetic number, because the mean of its divisors is an integer number (76800).

2⁸³⁴⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

834009 is a deficient number, since it is larger than the sum of its proper divisors (394791).

834009 is a wasteful number, since it uses less digits than its factorization.

834009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 834009 is about 913.2409320656. The cubic root of 834009 is about 94.1290290846.

The spelling of 834009 in words is "eight hundred thirty-four thousand, nine".