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705894 = 2376

705894 has 28 divisors (see below), whose sum is σ = 1647084. Its totient is φ = 201684.

The previous prime is 705883. The next prime is 705899. The reversal of 705894 is 498507.

705894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an ABA number since it can be written as A⋅BA, here for A=6, B=7.

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

It is a Curzon number.

It is a nialpdrome in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 705894.

It is not an unprimeable number, because it can be changed into a prime (705899) by changing a digit.

705894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 100839 + ... + 100845.

705894 is a Friedman number, since it can be written as (50-8)*7^(9-4), using all its digits and the basic arithmetic operations.

2705894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823542).

705894 is an abundant number, since it is smaller than the sum of its proper divisors (941190).

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

705894 is an frugal number, since it uses more digits than its factorization.

705894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 705894 is about 840.1749817746. The cubic root of 705894 is about 89.0389090488.

The spelling of 705894 in words is "seven hundred five thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 2401 4802 7203 14406 16807 33614 50421 100842 117649 235298 352947 705894