705834 has 20 divisors (see below), whose sum is σ = 1581954. Its totient is φ = 235224.

The previous prime is 705833. The next prime is 705841. The reversal of 705834 is 438507.

705834 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 363609 + 342225 = 603^2 + 585^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 705798 and 705807.

It is not an unprimeable number, because it can be changed into a prime (705833) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2017 + ... + 2340.

2⁷⁰⁵⁸³⁴ is an apocalyptic number.

705834 is an abundant number, since it is smaller than the sum of its proper divisors (876120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705834 is a wasteful number, since it uses less digits than its factorization.

705834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371 (or 4362 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 705834 is about 840.1392741683. The cubic root of 705834 is about 89.0363862498.

The spelling of 705834 in words is "seven hundred five thousand, eight hundred thirty-four".