834385 has 8 divisors (see below), whose sum is σ = 1054080. Its totient is φ = 632304.

The previous prime is 834367. The next prime is 834433. The reversal of 834385 is 583438.

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 834385 - 2⁷ = 834257 is a prime.

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

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4297 + ... + 4486.

It is an arithmetic number, because the mean of its divisors is an integer number (131760).

2⁸³⁴³⁸⁵ is an apocalyptic number.

It is an amenable number.

834385 is a deficient number, since it is larger than the sum of its proper divisors (219695).

834385 is a wasteful number, since it uses less digits than its factorization.

834385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807.

The product of its digits is 11520, while the sum is 31.

The square root of 834385 is about 913.4467691114. The cubic root of 834385 is about 94.1431724961.

The spelling of 834385 in words is "eight hundred thirty-four thousand, three hundred eighty-five".